HOME News Structure People Projects Publications Recruitment Links Contacts área reservada Search Universidade de Coimbra . Portugal hom e Helena Freitas Phone: +351 239 855236 e-mail: hfreitas@ci.uc.pt C ategory: Full Professor Department: Life Sciences Research Line: Biodiversity and Ecosystems Functioning Direct URL for this page: http://cfe.uc.pt/hfreitas Research Interests Main field: Plant Ecology. Major research areas: 1. Ecosystem physiology; 2. Ecology of invasive and exotic species; 3. Ecology and taxonomy of micorrhizal fungi; 4. Plant-soil interactions; 5. Physiology and biochemistry of heavy metals tolerance; 6. Scenarios of land use change and management. Other interests: Nature conservation. Microbial ecology. Academic Achievements 1993 - PhD in Plant Ecology, University of C oimbra, Portugal 1994/1995 - Pos-Doc in Ecology (Mediterranean Ecosystems) Stanford University - Stanford, USA 2000 - “Agregação” in Botany University duties Director of the Botanical Garden of the University of C oimbra C oordinator of C EF Others President of the Portuguese Ecological Society (SPEC O) Vice-President of the Board of the European Ecological Federation Projects in Progress (2) As m issõe s botânicas e m África – nos trilhos de um naturalista (se e de tails) Other Papers Book s Book s C hapte rs The sis C om m unications R ESC O E - R isk Asse ssm e nt And Ecological Sustainability of C ork O ak in Montado Ecosyste m s (se e de tails) O the r publications Ma Y, R ajk um ar M, Vice nte J, Fre itas H. (in pre ss) Inoculation of Ni-re sistant plant growth prom oting bacte rium Psychrobacte r sp. strain SR S8 for the im prove m e nt of nick e l phytoe x traction by e ne rgy crops.. International Journal of Phytoremediation . (se e de tails) C astro, P., Valie la, I., Fre itas, H. (2007) The use of se dim e ntary %C , %N, δ15N, and Pb conce ntrations to asse ss historical change s in anthropoge nic influe nce on Portugue se e stuarie s. Environmental Pollution. 147, 3, 706-712. (se e de tails) Link : http://10.1016/j.e nvpol.2006.09.011 Marchante , H., Fre itas, H. & Hoffm ann, J.H. , Marchante , H., Fre itas, H., Hoffm ann, J.H. (in pre ss) The pote ntial role of se e d bank s in the re cove ry of dune e cosyste m s afte r re m oval of invasive plant spe cie s. Applied Vegetation Science. (se e de tails) Silva, H., C alde ira, G. & Fre itas, H. (2007) Salicornia ram osissim a population dynam ics and tole rance of salinity.. Ecol. Research. 22, 125-134. (se e de tails) Barrico L., Azul A.M., Morais M.C ., C outinho A.P., Fre itas H., C astro P. (in pre ss) Biodive rsity in urban e cosyste m s: Plants and m acrom yce te s as indicators for conse rvation planning in the city of C oim bra (Portugal). Landscape and Urban Planning. (se e de tails) M. R ajk um ar., S. Sandhya., M.N.V. Prasad, H. Fre itas (in pre ss) Pe rspe ctive s of plant associate d m icrobe s in he avy m e tal phytore m e diation. Biotechnology advances. (se e de tails) cfe.uc.pt/index.php?tabela=pessoaldetail&user=3 Marta-Pe droso, C ., Fre itas , H.& Dom ingos, T. (2007) Te sting for the surve y m ode e ffe ct on continge nt valuation data quality: A case study of we b base d ve rsus in-pe rson inte rvie ws. . Ecol. Econ. (2007), doi:10.1016/j.ecolecon.2007.02.005. 62, 3-4, 388-398. (se e de tails) Sara Malte z-Mouro, Luis V. García, Te odoro Marañón, and He le na Fre itas. (2007) R e cruitm e nt patte rns in a Me dite rrane an oak fore st: a case study showing the im portance of the spatial com pone nt. Forest Science. 53, 6, 645-652. (se e de tails) Gonçalve s M.T., Gonçalve s S.C ., Portugal A., Silva S., Sousa J.P. & Fre itas H. 1/4 E. Buscardo, S. R odrígue z-Eche ve rría, L. Barrico, M. García, H. Fre itas, M P. Martín, P. Ange lis, L. A.H. Mulle r (2012) Is the pote ntial for the form ation of com m on m ycorrhizal ne twork s influe nce d by fire fre que ncy?. Soil Biology & Biochemistry. 46 , 136-144. (se e de tails) M.C . Morais, M.R . Panuccio, A. Muscolo, H. Fre itas (2012) Salt tole rance traits incre ase the invasive succe ss of Acacia longifolia in Portugue se coastal dune s. Plant Physiology and Biochemistry. 55, 60-65. (se e de tails) C R ISÓ STO MO , J.A., R O DR ÍGUEZ-EC HEVER R ÍA, S., FR EITAS, H. (2012) Support for the hypothe sis of co-introduction of e x otic rhizobia with invasive le gum e s? An inte rcontine ntal study of Acacia saligna.. Applied Soil Ecology. accepted., (se e de tails) M.C . Morais,M. R . Panuccio, A. Muscolo, H. Fre itas (2012) Doe s salt stre ss incre ase the ability of the e x otic le gum e Acacia longifolia to com pe te with native le gum e s in sand dune e cosyste m s?. Environmental and Experimental Botany. 82, 7479. (se e de tails) Gutié rre z E., C am pe lo F., C am are ro J.J., R ibas M., Muntán E., Nabais C ., Fre itas H. (2011) C lim ate controls act at diffe re nt scale s on the se asonal patte rn of Quercus ilex L. ste m radial incre m e nts in NE Spain. Trees. 25, 4, 637-647. (se e de tails) Link : http://www.springe rlink .com /inde x /10.1007/s00468-011-0540-3 H. Marchante , H. Fre itas and J.H. Hoffm ann (2011) Asse ssing the suitability and safe ty of a we ll-k nown bud-galling wasp, Trichilogaste r acaciae longifoliae , for biological control of Acacia longifolia in Portugal. Biological Control. 56, 2, 193-201. (se e de tails) Link : http://dx .doi.org/10.1016/j.biocontrol.2010.11.001 Y. Ma, M.N.V. Prasad, M. R ajk um ar, H. Fre itas (2011) Plant growth prom oting rhizobacte ria and e ndophyte s acce le rate phytore m e diation of m e tallife rous soils. Biotechnology Advances. (se e de tails) Link : doi:10.1016/j.biote chadv.2010.12.001 Nabais C ., Labuto G., Gonçalve s S.C ., Buscardo E., Se m e nsatto D., Nogue ira A.R .A., Fre itas H. (2011) Effe ct of root age on the allocation of m e tals, am ino acids and sugars in diffe re nt ce ll fractions of the pe re nnial grass Paspalum notatum (bahiagrass). Plant Physiology and Biochemistry. 49, 1442-1447. (se e de tails) Link : http://dx .doi.org/10.1016/j.plaphy.2011.09.010 Gonçalve s M.T., Gonçalve s S.C ., Portugal A., Silva S., Sousa J.P. & Fre itas H. (2007) Effe cts of nick e l hype raccum ulation in Alyssum pintodasilvae on m ode l arthropods re pre se ntative s of two trophic le ve ls. Plant and Soil. 293, 177-188. (se e de tails) Link : http://dx .doi.org/10.1007/s11104-006-9174-4 Garnie r E., Lavore l S., Ansque r P., C astro H., C ruz P., Dole zal J.,Erik sson O ., Fortune l C ., Fre itas H., Golode ts C ., Grigulis K., Jouany C ., Kazak ou E., Kige l J., Kle ye r M., Le hste n V., Le pš J., Me ie (2007) Asse ssing the e ffe cts of land use change on plant traits, com m unitie s and e cosyste m functioning in grasslands: a standardize d m e thodology and le ssons from an application to 11 Europe an site s. Annals of Botany. 99, 967-985. (se e de tails) García, L. V., Malte z-Mouro, S., Pé re z-R am os, I. M., Fre itas, H. and Marañón, T. (2007) C ounte racting gradie nts of light and soil nutrie nts in the unde rstore y of Me dite rrane an oak fore sts. Web Ecology. 6, 67-74. (se e de tails) C risóstom o, J.A., Fre itas, H., R odrígue z-Eche ve rría, S. (2007) C om parison be twe e n re lative growth rate s of thre e woody le gum e s: im plications in the proce ss of e cological invasion. Web Ecology. 7, 22-26. (se e de tails) Link : http://www.oik os.e k ol.lu.se /we pdfs/W e b_Ecol.7.22-26.pdf C am pe lo, F., Nabais, C ., Gutie rre z, E. and Fre itas, H. (2007) C lim atic significance of intra-annual de nsity fluctuations in Pinus pinea from a dry Me dite rrane an are a (Portugal). Annals of Forest Science. 64, 2, 229-238. (se e de tails) Link : http://www.afs-journal.org/inde x .php? option=article &acce ss=standard&Ite m ... C am pe lo F., Gutié rre z, E., R ibas, M., Nabais, C . and Fre itas, H. (2007) R e lationships be twe e n clim ate and double rings in Quercus ilex from NE Spain. Canadian Journal of Forest Research. 37, 10, 1915-1923. (se e de tails) Link : http://rparticle .we b-p.cisti.nrc.ca/rparticle /AbstractTe m plate Se rvle t?jo... Araújo, G.C .L., Le m os, S.G., Fe rre ira, A.G. , Fre itas,H. Nogue ira, A.R .A. (2007) Effe ct of pre -tre atm e nt and supporting m e dia on Ni(II), C u(II), Al(III) and Fe (III) sorption by plant root m ate rial. Chemosphere. 68, 3, 537-545. (se e de tails) R odrígue z-Eche ve rría, S., C risóstom o, J.A., Fre itas, H. (2007) Ge ne tic dive rsity of rhizobia associate d with Acacia longifolia in two stage s of invasion of coastal sand dune s. Applied and Environmental Microbiology. 73, 15, 5066-5070. (se e de tails) Link : doi:10.1128/AEM.00613-07 Marchante , H., Fre itas, H. , Hoffm ann, J. H (2011) Post-cle aring re cove ry of coastal dune s invade d by Acacia longifolia: is duration of invasion re le vant for m anage m e nt succe ss?. Journal of Applied Ecology. 48, 1295–1304. (se e de tails) R ibe iro, P. Paiva, J. & Fre itas, H. (2007) Narcissus × caram ule nsis (Am aryllidace ae ), a ne w hybrid for the portugue se flora. Anales del Jardín Botánico de Madrid. 64, 1, 43-46. (se e de tails) Azul AM, Sousa JP, Age re r R , Martín MP & Fre itas H (2010) Land use practice s and e ctom ycorrhizal fungal com m unitie s from oak woodlands dom inate d by Q ue rcus sube r L. conside ring drought sce narios. Mycorrhiza. 20, 2, 73-88 . (se e de tails) C astro, P., Valie la, I., Fre itas, H., (2007) Eutrophication in Portugue se e stuarie s e vide nce d by δ15N of m acrophyte s. Marine Ecology Progress Series/ MEPS . 351, 9, 43-51. (se e de tails) Mirta Te ichbe rg, Sophia E. Fox , Ylva S. O lse n, Ivan Valie la, Paulina Martine tto, O scar Iribarne , Elizabe tiyurik o Muto, Monica A. V. Pe tti, Tha S N. C orbisie r, Martín Soto-Jim é ne z, Fe de rico Páe z-O sun, (2010) Eutrophication and m acroalgal bloom s in te m pe rate and tropical coastal wate rs: nutrie nt e nrichm e nt e x pe rim e nts with Ulva spp. Global Change Biology. 16, 9, 2624–2637. (se e de tails) Link : doi: 10.1111/j.1365-2486.2009.02108.x R oiloa, S.R ., R odrígue z-Eche ve rría, S., de la Pe ña, E. & Fre itas H. (2010) Physiological inte gration incre ase s survival and growth of the clonal invade r C apobrotus e dulis. Biological Invasions. 12, 1815-1823. (se e de tails) Link : DO I 10.1007/s10530-009-9592Malte z-Mouro S, Mae stre FT & Fre itas H. (2010) C o-occurre nce patte rns and abiotic stre ss in sand -dune com m unitie s: the ir re lationship varie s with spatial scale and the stre ss e stim ator. Acta Oecologica. 36 , 1, 80-84. (se e de tails) Link : DO I 10.1007/s10530-009-9613-2 Malte z-Mouro S, Mae stre FT & Fre itas H. (2010) W e ak e ffe cts of the e x otic invasive C arpobrotus e dulis on the structure and com postition of Portugue se sand -dune com m unittie s. Biological Invasions. 12, 7, 2117-2130 . (se e de tails) M.N.V. Prasad, He le na Fre itas, Ste fan Frae nzle , Sim one W ue nschm ann, Be rnd Mark e rt (2010) Knowle dge e x plosion in phytote chnologie s for e nvironm e ntal solutions. Environmental Pollution. 158, 18-23. (se e de tails) C am pe lo F., Nabais C ., Gutié rre z E., Fre itas H., García-Gonzále z I. (2010) Ve sse l fe ature s of Quercus ilex L. growing unde r Me dite rrane an clim ate have a be tte r clim atic signal than tre e -ring width. Trees. 24, 463-470. (se e de tails) Link : http://www.springe rlink .com /conte nt/a60015n3182064r8/ LO R ENZO , P. , R O DR ÍGUEZ-EC HEVER R ÍA, S., GO NZÁLEZ, L., FR EITAS, H. (2010) Effe ct of invasive Acacia de albata Link on soil m icroorganism s as de te rm ine d by PC R -DGGE.. Applied Soil Ecology. 44, 245-251. (se e de tails) C astro H., Le hste n V. , Lavore l S. , Fre itas H. (2010) Functional R e sponse Traits in R e lation to Land Use C hange in the Montado. Agriculture, Ecosystems and Environment. 137, 1, 183-191. (se e de tails) Link : doi:10.1016/j.age e .2010.02.002 Gonçalve s S.C .*, Portugal A.*, Gonçalve s M.T., Vie ira R ., Martins-Loução M.A. & Fre itas H. (2007) Ge ne tic dive rsity and diffe re ntial in vitro re sponse s to Ni in Cenococcum geophilum isolate s from se rpe ntine soils in Portugal. Mycorrhiza. 17, 677-687 (* denotes first co-authorship). (se e de tails) Link : http://dx .doi.org/10.1007/s00572-007-0145-2 C ristina Marta-Pe droso,Tiago Dom ingos, He le na Fre itas, R udolf S. de Groot (2007) C ost–be ne fit analysis of the Zonal Program of C astro Ve rde (Portugal): Highlighting the trade -off be twe e n biodive rsity and soil conse rvation. Soil & Tillage Research. 97, 79–90. (se e de tails) Alm e ida, J.D. & Fre itas, H. (2006) Ex otic Flora of contine ntal Portugal – a re asse ssm e nt.. Botanica Complutensis. 30, 117-130. (se e de tails) de la Pe ña, E., R odrígue z Eche ve rría, S., Van de r Putte n, W ., Fre itas, H., Moe ns, M. (2006) Me chanism of control of root-fe e ding ne m atode s by m ycorrhizal fungi in the dune grass Am m ophila are naria. New Phytologist. 4, 169 , 829-840. (se e de tails) Link : doi:10.1111/j.1469-8137.2005.01602.x Van de r Putte n, W ., C ook , R ., C osta, S., Davie s, K.G., Farge tte , M., Fre itas, H., Hol, W .H., Ke rry, B.R ., Mate ille , T., Moe ns, M., de la Pe ña, E., Piśk ie wicz, R odrigue z-Eche ve rria, S. (2006) Ne m atode Inte ractions in Nature : Mode ls for Sustainable C ontrol of Ne m atode Pe sts of C rop Plants?. Advances in Agronomy. 89, 227-260. (se e de tails) Link : doi:10.1016/S0065-2113(05)89005-4 R odrigue z-Eche ve rria & He le na Fre itas. (2006) Dive rsity of AMF associate d to Am m ophila are naria ssp. arundinace a in Portugue se sand dune s. Mycorrhiza. 16, 543-552. (se e de tails) Link : doi:10.1007/s00572-006-0070-9 Barrico ML, Nabais C , Martins MJ and Fre itas H. (2006) Effe ct of the se ason, land use and soil type on the occurre nce of phe nolic com pounds in two catchm e nts of southe rn Portugal. Chemosphere. 65, 482-488. (se e de tails) Antune s do C arm o, J., Schre ck R e is, C ., Fre itas, H. (2006) Succe ssful re habilitation of a sand dune syste m .. WIT Transactions on Ecology and the Environment. 88, 195-204. (se e de tails) C astro H., Fortune l C ., Fre itas H. (2010) Effe cts of land abandonm e nt on plant litte r de com position in a Montado syste m : re lation to litte r che m istry and com m unity functional param e te rs. Plant and Soil. 333, 1-2, 181-190. (se e de tails) C astro, P. and Fre itas, H. (2006) Anthropoge nic e ffe cts and salt m arsh loss in the Monde go and Mira e stuarie s (Portugal). Web Ecology. 6, 59-66. (se e de tails) Y. Ma, M.N.V. Prasad, M. R ajk um ar & H. Fre itas (2010) Plant growth prom oting rhizobacte ria and e ndophyte s acce le rate phytore m e diation of m e tallife rous soils. Biotechnology Advances. (se e de tails) Link : http://dx .doi.org/10.1016/j.biote chadv.2010.12.001 J. Pratas, M.N.V.Prasad, H.Fre itas & L.C onde . (2005) Plants growing on abandone d m ine s of Portugal contam inate d with As (Arse nic), Sb (Antim ony) and W (Tungste n), de line ate are as of anom alous soil com position for bioge oche m ical prospe cting and possible m ine re clam ation. Journal of Geochemical Exploration. 85, 99-107. (se e de tails) Barrico M.L., R odrígue z-Eche ve rría S., Fre itas H. (2010) Dive rsity of soil basidiom yce te com m unitie s associate d with Q ue rcus sube r L. in Portugue se m ontados. European Journal of Soil Biology. 46, 280-287. (se e de tails) M. R ajk um ar., N. Ae ., M.N.V. Prasad., H. Fre itas (2010) Pote ntial of side rophore -producing bacte ria for im proving he avy-m e tal phytoe x traction. Trends in Biotechnology. 28, 3, 142-149. (se e de tails) Marchante , H., Fre itas, H., Hoffm ann, J.H. (2010) Marchante , H., Se e d e cology of an invasive alie n spe cie s, Acacia longifolia (Fabace ae ), in Portugue se dune e cosyste m s. American Journal of Botany . 97, 1-11. (se e de tails) BUSC AR DO , E., R O DR IÍGUEZ-EC HEVER R IA, S., MAR TIÍN, M., DE ANGELIS, P. PER EIR A, J.S., FR EITAS, H. (2010) Im pact of wildfire re turn inte rval on the e ctom ycorrhizal re sistant propagule s com m unitie s of a Me dite rrane an ope n fore st. Fungal Biology. 114, 628- 636. (se e de tails) R e is, C S; Dos Santos, MC V; Marais, M, e t al. (2010) First re cord of He licotyle nchus varicaudatus Yue n, 1964 (Ne m atoda: Hoplolaim idae ) parasitizing Am m ophila are naria (L.) Link in Portugue se coastal sand dune s. PHYTOPATHOLOGIA MEDITERRANEA . 49 , 2, 212-226. (se e de tails) Y. Ma, M. R ajk um ar, and H. Fre itas (2009) Im prove m e nt of plant growth and nick e l uptak e by nick e l re sistant plant growth prom oting bacte ria. Journal of Hazardous Materials. 166, 1154-1161. (se e de tails) Araújo GC L, Le m os SG, Nabais C (2009) Nick e l sorption capacity of ground cfe.uc.pt/index.php?tabela=pessoaldetail&user=3 Spe hn, E.M., He ctor, A., Joshi, J., Sche re r-Lore nze n, M., Schm id, B., Be ie rk uhnle in, C ., C alde ira, M. C ., Die m e r, M., Dim itrak opoulos, P. G., Finn, J. A., Fre itas, H., Gille r, P. S., Good, J., Harris, (2005) Ecosyste m e ffe cts of biodive rsity m anipulations in Europe an grasslands. Ecological Monographs. 75, 37-63. (se e de tails) Schre ck R e is, C ., Fre itas, H., van de r Putte n, W .H. (2005) Plant-parasitic ne m atode s associate d with Am m ophila are naria (L.) Link in Portugue se coastal sand dune s. Nematologia Mediterranica. 33, 11-18. (se e de tails) Malte z-Mouro, S., García, L.V., Marañón, T. & Fre itas, H. (2005) The com bine d role of topography and ove rstory tre e com position in prom oting e daphic and floristic he te roge ne ity in a Me dite rrane an fore st. Ecological Research. 20, 668-677. (se e de tails) Gonçalve s S.C ., Se dlm ayr A., C astro H., Gonçalve s M.T. & Fre itas H. (2005) Dive rsidade de tipos de m icorrizas e m áre as suje itas a dife re nte s usos do solo. Revista de Biologia. 23, 23-34. (se e de tails) Portugal, A., Vie ira, R ., Fre itas, H. (2005) C aracte rização m ole cular por AFLP de isolados do fungo e ctom icorrízico C e nococcum ge ophilum de solos de rivados de form açõe s ultram áficas do NE de Portugal. Revista de Ciências Agrárias. XXVIII, (se e de tails) Nabais, C ., Hage m e ye r, J., Fre itas, H. (2005) Nitroge n transport in the x yle m sap of Q ue rcus ile x : The role of ornithine . Journal of Plant Physiology. 162, 603—606. 2/4 Araújo GC L, Le m os SG, Nabais C (2009) Nick e l sorption capacity of ground x yle m of Q ue rcus ile x tre e s and e ffe cts of se le cte d ligands pre se nt in the x yle m sap. Journal Plant Physiology. 166, 270-277. (se e de tails) Y. Ma, M. R ajk um ar and H. Fre itas (2009) Inoculation of plant growth prom otinng bacte rium Achrom obacte r x ylosox idans strain Ax 10 for the im prove m e nt of coppe r phytoe x traction by Brassica junce a.. Journal of Environmental Management . 90, 831-837. (se e de tails) R O DR ÍGUEZ EC HEVER R ÍA, S., DE LA PEÑA, E., MO ENS, M., FR EITAS H., VAN DER PUTTEN, W . H. (2009) C an root-fe e de rs alte r the com position of AMF com m unitie s? Ex pe rim e ntal e vide nce s from the dune grass Am m ophila are naria.. Basic and Applied Ecology. 10, 131-140. (se e de tails) R odrigue z-Eche ve rría, S., C risóstom o, J.A., Nabais, C ., Fre itas, H. (2009) Be lowground m utualists and the invasive ability of Acacia longifolia in coastal dune s of Portugal. Biological Invasions. 11, 3, 651-661. (se e de tails) Elizabe te Marchante , Anne lise Kjølle r, Ste n Struwe , He le na Fre itas (2009) Soil re cove ry afte r re m oval of the N2-fix ing invasive Acacia longifolia: conse que nce s for e cosyste m re storation. Biological Invasions. 11, 813-823. (se e de tails) Link : DO I 10.1007/s10530-008-9295-1 C laire Fortune l e t al. (2009) Le af traits capture the e ffe cts of land use change s and clim ate on litte r de com posability of he rbace ous com m unitie s across Europe . Ecology. 90, 3, 598-611. (se e de tails) Gouve ia, A.C ., Fre itas, H. (2009) Modulation of le af attribute s and wate r use e fficie ncy in Q ue rcus sube r along a rainfall gradie nt. Trees. 23, 2, 267-275. (se e de tails) Link : http://dx .doi.org/10.1007/s00468-008-0274-z Gonçalve s S.C ., Martins-Loução M.A. & Fre itas H. (2009) Evide nce of adaptive tole rance to nick e l in isolate s of Cenococcum geophilum from se rpe ntine soils. Mycorrhiza. 19, 221-230. (se e de tails) Link : http://dx .doi.org/10.1007/s00572-008-0211-4 R ajk um ar M, Prasad M.N.V, , Fre itas H, Noriharu Ae (2009) Biote chnological Applications of Se rpe ntine soil Bacte ria for Phytore m e diation of Trace m e tals`for publication in C ritical R e vie ws in Biote chnology. Critical Reviews in Biotechnology. 29, 2, 120-130. (se e de tails) R . Jayak um ar, M. R ajk um ar, H. Fre itas, N, Se lvam urugan, S.V. Nair, T.Furuik e , H. Tam ura (2009) Pre paration, chare cte rization, bioactive and m e tal uptak e studie s of alginate /phosphorilate d chitin ble nd film s. International Journal of Biological Macromolecules. 44, 107-111.. (se e de tails) C astro, H., Fre itas, H. (2009) Above ground biom ass and productivity in the Montado: from he rbace ous to shrub dom inate d com m unitie s. J.Arid Env.. 73, 506511. (se e de tails) Myriam Kanoun-Boulé , Joaquim A.F. Vice nte , C ristina Nabais, M.N.V. Prasad and He le na Fre itas (2009) Ecophysiological tole rance of duck we e ds e x pose d to coppe r. Aquatic Toxicology . 91, 1-9. (se e de tails) Link : doi:10.1016/j.aquatox .2008.09.009 Y. Ma, M. R ajk um ar, H. Fre itas (2009) Isolation and characte rization of Ni m obilizing PGPB from se rpe ntine soils and the ir pote ntial in prom oting plant growth and Ni accum ulation by Brassica spp.. Chemosphere. 75, 719-725. (se e de tails) Malte z-Mouro S., García, L.V. & Fre itas (2009) Malte z-Mouro S., García, L.V. & Fre itas, H. Influe nce of fore st structure and e nvironm e ntal variable s on re cruit survival and pe rform ance of two Me dite rrane an tre e spe cie s (Q ue rcus fagine a L. and Q . sube r Lam .).. European Journal of Forest Research. 128, 27-36. (se e de tails) R . Jayak uam r, M. R ajk um ar, H. Fre itas, P.T. Sudhe e s k um ar, S.V. Nair, T. Faruik e , H. Tam ura. (2009) Bioactive and m e tal uptak e studie s of chitosan-graftD-glucuronic acid m e m brane s for tissue e ngine e ring and e nvironm e ntal applications.. International Journal of Biological Macromolecules . 45, 135-139. (se e de tails) Me squita, N., Portugal, A., Vide ira, S., R odrígue z-Eche ve rría, S., Bande ira, A.M.L., Santos, M.J.A., Fre itas, H. (2009) Fungal dive rsity in ancie nt docum e nts. A case study on the Archive of the Unive rsity of C oim bra. International Biodeterioration & Biodegradation. 63, 5, 626-629. (se e de tails) Link : doi:10.1016/j.ibiod.2009.03.010 M. R ajk um ar., N. Ae ., H. Fre itas (2009) Endophytic bacte ria and the ir pote ntial to e nhance he avy m e tal phytoe x traction.. Chemosphere . 77, 153-160. (se e de tails) C am pe lo F., Nabais C ., García-Gonzále z I., C he rubini P., Gutié rre z E., Fre itas H. (2009) De ndrochronology of Quercus ilex L. and its pote ntial use for clim ate re construction in the Me dite rrane an re gion. Canadian Journal of Forest Research. 39 , 12, 2486-2493. (se e de tails) Link : http://rparticle .we b-p.cisti.nrc.ca/rparticle /AbstractTe m plate Se rvle t?ca... Azul AM, C astro P, Sousa JP, Fre itas H (2009) Dive rsity and fruiting patte rns of e ctom ycorrhizal and saprobic fungi as indicators of land use se ve rity in m anage d woodlands dom inate d by Q ue rcus sube r L. - a case study from South Portugal. Canadian Journal of Forest Research. 39, 12, 2404-2417. (se e de tails) C astro, P., Valie la, I., Fre itas, H. (2009) Se dim e nt pool and plant conte nt as indicators of nitroge n re gim e s in Portugue se e stuarie s. Journal of Experimental Marine Biology and Ecology. 380, 1-10. (se e de tails) Susana R odrigue z-Eche ve rria, W .H.Ge ra Hol, He le na Fre itas, W illiam Eason, R oge r C ook . (2008) Arbuscular m ycorrhizal fungi of Am m ophila are naria (L.) Link : Spore abundance and root colonisation in six locations of the Europe an coast.. European Journal of Soil Biology. 44, 1, 30-36. (se e de tails) Link : doi:10.1016/j.e jsobi.2007.01.003 sap of Q ue rcus ile x : The role of ornithine . Journal of Plant Physiology. 162, 603—606. (se e de tails) Fre itas, H., Prasad, M.N.V. & Pratas, J. (2004) He avy m e tals in the plant com m unity of São Dom ingos, an abandone d m ine in SE Portugal: Possible aplications in m ine re m e diation. Environmental International. 1, 30, 65-72. (se e de tails) Fre itas, H., Prasad, M.N.V. & Pratas, J. (2004) Se rpe ntine soil and plant analysis for he avy m e tals accum ulation. Chemosphere. 11, 54, 1625-1642. (se e de tails) Alados, C . L., Elaich, A. E, Papanastasis, V. P, O zbe k , H., Navarro, T. , Fre itas, H. , Larrossi, D. , Vrahnak is, M. , & C abe zudo, B. (2004) C hange in plant spatial patte rns and dive rsity along the succe ssional gradie nt of Me dite rrane an grazing e cosyste m s. Ecol. Mod.. 180, 523-535. (se e de tails) C arla P. Fonse ca, Liliana P. Monte zinho, C . Nabais, A. R . Tom é , H. Fre itas, C arlos F. G. C . Ge ralde s & M. Margarida C .A. C astro. (2004) Effe cts of Li+ transport and intrace llular binding on Li+/Mg2+ com pe tition in bovine chrom affin ce lls. Biochimica et Biophysica Acta. 1691, 79-90. (se e de tails) Marchante H.; Marchante E.; Buscardo E.; Maia J. & Fre itas H. (2004) R e cove ry pote ntial of dune e cosyste m s invade d by an e x otic Acacia spe cie s (Acacia longifolia). Weed Technology. 18, 1427-1433. (se e de tails) Santos J., Schre ck R e is C ., Gonçalve s M.T. & Fre itas H., Santos, J., Schre ck R e is, C ., Gonçalve s, M.T., Fre itas, H. (2004) Micorrizas e m Am m ophila are naria – C om paração e ntre dois siste m as dunare s. Revista de Biologia. 22, 101-108. (se e de tails) Malte z-Mouro S., García L.V., Marañón T. & Fre itas H. (2004) Unde rstory floristic he te roge ne ity within a Me dite rrane an oak fore st: how m uch is e x plaine d by e daphic, spatial and ove rstory com pone nts?. Revista de Biologia. 23, 121-133. (se e de tails) Pratas J, Prasad M.N.V., Fre itas H., and C onde L. (2004) Pinus pinaste r Aiton (m aritim e pine ): a re liable indicator for de line ating are as of anom alous soil com posi-tion for bioge oche m ical prospe cting of As (Arse nic), Sb (Antim ony)and W (Tungste n).. European J Mineral Processing & Envir Protection . 4, 136-143. (se e de tails) Fre itas, H., Prasad, M.N.V., Pratas, J. (2004) Analysis of se rpe ntinophyte s from north–e ast of Portugal for trace m e tal accum ulation––re le vance to the m anage m e nt of m ine e nvironm e nt. Chemosphere. 54, 1625–1642. (se e de tails) Prasad, M.N.V. & Fre itas, H. (2003) Me tal hype raccum ulation in plants Biodive rsity prospe cting for phytore m e diation te chnology. (R e vie w article ). Electronic Journal of Biotechnology. (se e de tails) Link : http://e jbiote chnology.ucv.cl/conte nt/vol6/issue 3/full/6/inde x .htm l C astro H, Nabais C , Alados C L & Fre itas H (2003) Effe cts of ce ssation of grazing on le af-le ve l photosynthe sis of Pe riploca lae vigata. App. Veg. Sci.. 6, 255-260. (se e de tails) Dom ingos, J.D & Fre itas, H. (2002) Ace rca de algum as plantas vasculare s invasoras e m Portugal C ontine ntal. Studia Botanica. 21, 27-35. (se e de tails) Portugal A., Gonçalve s S.C ., Vie ira R . & Fre itas H. (2002) C hrom osom e num be r in the e ctom ycorrhizal fungus Cenococcum geophilum from ultram afic soils of NE Portugal. The Nucleus. 45, 14-18. (se e de tails) Portugal A., Martinho P., Vie ira R . & Fre itas H. (2001) Mole cular characte rization of Cenococcum geophilum isolate s – a case study. Journal of Mediterranean Ecology. 2, 1, 21-30. (se e de tails) Portugal A., Martinho P., Vie ira R . & Fre itas H. (2001) Mole cular characte rization of Cenococcum geophilum isolate s from na ultram afic soil (Portugal). South African Journal of Sciences. 97, 617-619. (se e de tails) Azul AM, Age re r R , Fre itas H (2001) “Q ue rcirhiza e cte ndotrophica” + Q ue rcus sube r L. Descr. Ectomyc. 5, 67-72. (se e de tails) Link : http://www.de e m y.de / Azul AM, Age re r R , Fre itas H (2001) “Q ue rcirhiza inte rnangularis” + Q ue rcus sube r L. Descr. Ectomyc. 5, 79-83. (se e de tails) Link : http://www.de e m y.de / Azul AM, Age re r R , Fre itas H (2001) “Q ue rcirhiza pe dicae ” + Q ue rcus sube r L. Descr. Ectomyc. 5, 85-91. (se e de tails) Link : http://www.de e m y.de / Azul AM, Age re r R , Fre itas H (2001) “Q ue rcirhiza russulocystidiata” + Q ue rcus sube r L. Descr. Ectomyc. 5, 93-98. (se e de tails) Link : http://www.de e m y.de / Gonçalve s S.C ., Martins-Loução M.A. & Fre itas H. (2001) Arbuscular m ycorrhizas (AM) of Festuca brigantina, an e nde m ic se rpe ntinophyte from Portugal. South African Journal of Science. 97, 571-572. (se e de tails) Azul AM, Age re r R , Fre itas H (2001) “Q ue rcirhiza scle rotiige ra” + Q ue rcus sube r L. Descr. Ectomyc. 5, 99-105. (se e de tails) Link : http://www.de e m y.de / Portugal, A., Vie ira, R ., Fre itas, H. (2001) O uso de m arcadore s ge né ticos na caracte rização de isolados do m icobionte C e nococcum ge ophilum de solos ultram áficos do NE de Portugal.. Revista de Ciências Agrárias. XXIV, 227-238. (se e de tails) Marchante E., Made ira M. & Fre itas H. (2001) Avaliação da colonização e ctom icorrízica e m plantaçõe s e x pe rim e ntais de Eucalyptus globulus. Revista das Ciências Agrárias. XXIV, 3 e 4, 205-212. (se e de tails) R odrígue z Eche ve rría, S., Fre itas, H. and Van De r Putte n, W .H. (2008) Ge ne tic dive rsity and diffe re ntiation of Am m ophila are naria (L.) Link as re ve ale d by ISSR m ark e rs. Journal of Coastal Research. 24, 1, 122-126. (se e de tails) Portugal, A., Vie ira, R ., Gonçalve s, S.C ., Fre itas, H. (2001) Aspe ctos cariológicos do fungo e ctom icorrízico C e nococcum ge ophilum de áre as ultram áficas do NE Portugal. Boletim da Sociedade Broteriana . LXX, 153-161. (se e de tails) Prasad M.N.V, R ajk um ar M, Fre itas H (2008) R e habilitation of abandone d m ine site s: conne ction to bioprospe cting of m e tal tole rant plants and phytoassiste d rhizore m e diation.. The Paleobotanist . 57, 3, 559-571. (se e de tails) He ctor, A., Schm id, B., Be ie rk uhnle in, C ., C alde ira, M. C ., Die m e r, M., Dim itrak opoulos, P. G., Finn, J. A., Fre itas, H., Gille r, P. S., Good, J., Harris, R ., Högbe rg, P., Huss-Dane ll, K., Joshi, J.,, Lawton, J. H. (2000) No consiste nt e ffe ct of plant dive rsity on productivity : R e sponse . . Science (Washington, D.C.). 289, 1255a. (se e de tails) Azul AM, R am os V, Pato A, Aze nha M, Fre itas H (2008) Mycorrhiza in the Me dite rrane an Basin: safe ty te aching and training. Journal of Biological Education. 42, 3, 54-61. (se e de tails) Link : http://www.iob.org/use rfile s/File /JBE_42_3_Azul.pdf Buscardo, E., Sm ith G.F., Ke lly, D.L., Fre itas, H., Ire m onge r, S., Mitche ll F., O ’Donoghue , S. and McKe e , A.M. (2008) The e arly e ffe cts of affore station on biodive rsity of grasslands in Ire land. Biodiversity and Conservation. 17, 1057-1072. (se e de tails) R ajk um ar, M., Fre itas, H. (2008) Effe cts of inoculation of plant growth prom oting bacte ria on Ni uptak e by indian m ustard. Bioresource Technology. 99, 3491–3498. (se e de tails) Gouve ia, A.C . & Fre itas, H. (2008) Intraspe cific com pe tition and wate r use e fficie ncy in Q ue rcus sube r: e vide nce of an optim um tre e de nsity?. Trees. 22, 521- cfe.uc.pt/index.php?tabela=pessoaldetail&user=3 Prasad, M. N. V. & Fre itas, H. (2000) R e m oval of tox ic m e tals from the aque ous solution by the le af, ste m and root phytom ass of Q ue rcus ile x L. – pote ntial scope for the application in waste wate r tre atm e nt. Environmental Pollution. 110, 277283. (se e de tails) C astro, Paula, Fre itas, He le na (2000) Fungal biom ass and de com position in Spartina m aritim a le ave s in the Monde go salt m arsh (Portugal). Hydrobiologia. 428, 171-177. (se e de tails) He ctor, A. Schm id, B., Be ie rk uhnle in, C . , C alde ira, M.C ., Die m e r, M., Dim itrak opoulos, P.G., Finn, J., Fre itas, H., Gille r, P.S., Good, J., Harris, R ., Högbe rg, P., Huss-Dane ll, K., Joshi, J., Jum ppo (1999) Plant dive rsity and production in Europe an grasslands. Science. 286, 1123-1127. (se e de tails) 3/4 e fficie ncy in Q ue rcus sube r: e vide nce of an optim um tre e de nsity?. Trees. 22, 521530. (se e de tails) Link : http://dx .doi.org/10.1007/s00468-008-0212-0 Nabais C , Fre itas H & Hage m e ye r J (1999) De ndroanalysis: a tool for biom onitoring e nvironm e ntal pollution?. The Sci. Total Environm. . 232, 33-37. (se e de tails) Schre ck R e is C ., Antune s do C arm o J., Fre itas H., , , , (2008) Le arning with nature : A sand dune syste m case -study (Portugal). Journal of Coastal Research . 24, 6, 1506-1515. (se e de tails) Nabais C , Fre itas H & Hage m e ye r J (1999) Tre e -rings to clim ate re lationships of Q ue rcus ile x L. in NE-Portugal. Dendrochronologia. 16-17, 41-48. (se e de tails) R ajk um ar, M., Fre itas, H. (2008) Influe nce of m e tal re sistant-plant growth prom oting bacte ria on the growth of R icinus com m unis in soil contam inte d with he avy m e tals. Chemosphere . 71, 834-842. (se e de tails) Prasad, M. N. V. & Fre itas, H. (1999) Fe asible biote chnological and biore m e diation strate gie s for se rpe ntine soils and m ine spoils (R e vie w article ). Electronic Journal of Biotechnology. 2, 1, 36-50. (se e de tails) Link : http://e jb.ucv.cl or http://www.e jb.org Schre ck R e is C ., Fre itas H., van de r Putte n W .H. (2008) R e sponse s of roofe e ding ne m atode s (He licotyle nchus spp.) to local and non-local populations of the host plant Am m ophila are naria. Applied Soil Ecology (in press). (se e de tails) Azul AM, Age re r R , Fre itas H (1999) “Q ue rcirhiza nodulosom orpha” + Q ue rcus sube r L. Descr. Ectomyc. 4, 103-108. (se e de tails) Link : http://www.de e m y.de / R ajk um ar, M., K.J. Le e and Fre itas, H. (2008) Effe cts of chitin and salicylic acid on biological control activity of Pse udom onas spp. againts dam ping off of pe ppe r.. South African Journal of Botany . 64, 268-273. (se e de tails) C astro P. & Fre itas H. (1999) Dinâm ica do azoto no rio Monde go. Revista de Biologia. 17, 241-247. (se e de tails) R obin J. Pak e m an, Eric Garnie r, Sandra Lavore l, Pauline Ansque r, He le na C astro, Pablo C ruz, Jiri Dole žal, O ve Erik sson, He le na Fre itas, C arly Golode ts, Jaim e Kige l, Michae l Kle ye r, Jan Le pš, Tonia Me i (2008) Im pact of abundance we ighting on the re sponse of se e d traits to clim ate and land use . Journal of Ecology . 96 , 2, 355–366 . (se e de tails) Link : doi:10.1111/j.1365-2745.2007.01336.x Marchante , E., Kjølle r, A., Struwe , S., Fre itas, H. (2008) Short and long-te rm im pacts of Acacia longifolia invasion on the be lowground proce sse s of a Me dite rrane an coastal dune e cosyste m . Applied Soil Ecology. 40, 210-217. (se e de tails) Link : doi:10.1016/j.apsoil.2008.04.004 M. R ajk um ar., Y. Ma., H. Fre itas (2008) C hare cte rization of m e tal re sistant plant growth prom oting Bacillus we ihe nste phane nsis isolate d from se rpe ntine soil in Portugal.. Journal of Basic Microbiology (Accepted). . 48, 1-9. (se e de tails) Elizabe te Marchante , Anne lise Kjølle r, Ste n Struwe , He le na Fre itas (2008) Invasive Acacia longifolia induce change s in the m icrobial catabolic dive rsity of sand dune s. Soil Biology & Biochemistry. 40, 2563-2568. (se e de tails) Link : doi:10.1016/j.soilbio.2008.06.017 Bande ira de Albuque rque M., Kanoun-Boulé M., Fre itas H., Prasad M.N.V. (2008) Erica ande vale nsis - Pote ntial use for phytore m e diation of the abandone d coppe r m ine of São Dom ingos, Portugal. Proceedings of the Joint Conference of the 6th International Acida Sulfate Soil conference and The Acid Rock Drainage Symposium. 20/23. (se e de tails) Kanoun-Boulé M., Vice nte J.A.F., Nabais C ., Prasad M.N.V., Fre itas H. (2008) Ecophysiological tole rance of duck we e ds e x pose d to coppe r. Aquatic Toxicology. (se e de tails) Link : http://dx .doi.org/10.1016/j.aquatox .2008.09.009 BANDEIR A DE ALBUQ UER Q UE, M, R O DR ÍGUEZ-EC HEVER R ÍA, S., FR EITAS, H. (2008) Ge ne tic dive rsity in populations of Erica ande vale nsis, a vulne rable m e tallophyte spe cie s from the Ibe rian Pe ninsula.. Web of Ecology. 8, 135-141. (se e de tails) Azul AM & Fre itas H. (1998) “Estudo da m icorrização de Q . sube r L. e m condiçõe s naturais (populaçõe s de Grândola e Santiago do C acé m ). Revista de Biologia. 16, 231-234. (se e de tails) C am pe lo F., Marchante H., Martins M.J. & Fre itas H. (1998) C ontribuição para o Estudo Evolutivo da Paisage m no C once lho de Monte m or-o-Ve lho. Revista de Biologia. 16, 279-283. (se e de tails) C astro P. & Fre itas H. (1998) R e gulação iónica e m folhas se ne sce nte s de Spartina m aritim a. Revista de Biologia. (Lisboa). 16, 217-220. (se e de tails) R e is, C . S., Fre itas, H. (1998) Monitorização de Am m ophila are naria e m e cossiste m as dunare s portugue se s. Revista de Biologia. 16, 1-4, 211-215. (se e de tails) Nabais C , Fre itas H, Hage m e ye r J & Bre ck le S-W (1996) R adial distribution of Ni in ste m wood of Q ue rcus ile x L. tre e s grown on se rpe ntine and sandy loam (um bric le ptosol) soils of NE-Portugal. Plant and Soil. 183, 181-185. (se e de tails) Fre itas, H. & Moone y, H. (1996) Effe cts of wate r stre ss and soil te x ture on the pe rform ance of two ge notype s of Brom us horde ace us from sandstone and se rpe ntine soils.. Acta Oecologica . 17, 307-317. (se e de tails) Fre itas, H. & Bre ck le , S.-W (1993) Progre ssive cutinization in Atriple x bladde r stalk ce lls.. Flora. 188, 287-290. (se e de tails) Fre itas, H. & Bre ck le , S.-W . (1993) Accum ulation of nitrate in bladde r hairs of som e Atriple x spe cie s.. Plant Physiol. Biochem. . 31, 6, 887-892. (se e de tails) Fre itas, H. & Bre ck le , S.-W . (1992) Im portance of bladde r hairs for salt tole rance of fie ld-grown Atriple x spe cie s of a Portugue se salt m arsh. Flora. 187, 283-297. (se e de tails) Bre ck le , S.-W ., Fre itas, H. & R e im ann, C . (1990) A ne w m e thod for sam pling Atriple x bladde rs. Plant, Cell and Environment. 13, 871-873. (se e de tails) Azul AM, Age re r R , Martín MP, Fre itas H (2008) “Q ue rcirhiza tom e nte lore ticulata” + Q ue rcus sube r L. Descr. Ectomyc. 11/12, 135-139. (se e de tails) Azul AM, Age re r R , Martín MP, Fre itas H (2008) “Q ue rcirhiza tom e nte lloe pide rm oide a” + Q ue rcus sube r L. Descr. Ectomyc. 11/12, 131-134. (se e de tails) Azul AM, Age re r R , Martín MP, Fre itas H (2008) “Q ue rcirhiza tom e nte llocum ulata” + Q ue rcus sube r L. Descr. Ectomyc. 11/12, 125-130. (se e de tails) Azul AM, Age re r R , Martín MP, Fre itas H (2008) “Q ue rcirhiza tom e nte lloste llata” + Q ue rcus sube r L. Descr. Ectomyc. 11/12, 141-146. (se e de tails) C astro, H., Alcazar, R ., Fre itas, H. (2008) R e posnse of plant functional attribute s to e x te nsive agricultural practice s. Two case studie s from Ale nte jo South Portugal. Les Cahiers d'Orphée. 1, 173-182. (se e de tails) cfe.uc.pt/index.php?tabela=pessoaldetail&user=3 4/4