8TH INTERNATIONAL CONGRESS ON THE ZOOGEOGRAPHY AND ECOLOGY OF GREECE AND ADJACENT REGIONS, KAVALA, GREECE, 17-21.5.1999 Belgian Journal of Zoology, vol 130 (Supplement), 2000 KIPARISSIS S., TSERPES G. & TSIMENIDIS N. Aspects on the demography of Chub Mackerel (Scomber japonicus Houttuyn, 1782) in the Hellenic Seas. BAXEVANIS A. & CHINTIROGLOU C. Peracarida crustacean populations of the artificial hard –substratum in N. Michaniona (N. Aegean). FET V. & BRAUNWALDER M.E. The scorpions (Arachnida: Scorpiones) of the Aegean area: current problems in taxonomy and biogeography. KAMPA E., ARTEMIADOU V. & LAZARIDOU-DIMITRIADOU M. Ecological quality of the River Axios (N. Greece) during spring and summer, 1997. ZARFDJIAN M.-H., MICHALOUDI E., BOBORI D.C. & MOURELATOS S. Zooplankton abundance in the Aliakmon River, Greece. CHONDROPOULOS B., FRAGUEDAKIS S., TSEKOURA N., TRYFONOPOULOS G., PAFILIS P. & VALAKOS E. Contribution to the study of the genetic variability and taxonomic relationships among five lizard species of the family Lacertidae from Greece KOUTRAKIS E.T., KOKKINAKIS A.K., ELEFTHERIADIS E.A. & ARGYROPOULOU M.D. Seasonal changes in distribution and abundance of the fish fauna in the two estuarine systems of Strymonikos gulf (Macedonia, Greece) KETMAIER V., COBOLLI M., DE MATTHAEIS E. & RAMPINI M. Biochemical systematics and patterns of genetic divergence between the Troglophilus species of Crete and Rhodos (Orthoptera, Rhaphidophoridae). DETSIS V. Vertical distribution of Collembola in deciduous forests under Mediterranean climatic conditions. MAKRA A. & NICOLAIDOU A. Benthic communities of the inner Argolikos Bay. LEFKADITOU E., POLITOU C.-Y. & PAPACONSTANTINOU C. Notes on Brachioteuthis riisei (Steenstrup, 1882) and Ancistroteuthis lichtensteini (Orbigni, 1839) (Cephalopoda: Teuthoidea) found in the Aegean Sea. SCHMALFUSS H. Distributional patterns in the Greek species of the terrestrial isopod genus Armadillidium Brandt, 1833. VASSILOPOULOU V. Abundance and distribution of four-spotted megrim (Lepidorhombus boscii) in the Aegean Sea. DIMAKI M., VALAKOS E.D. & LEGAKIS A. Variation in body temperatures of the African Chameleon Chamaeleo africanus Laurenti, 1768 and the Common Chameleon Chamaeleo chamaeleon (Linnaeus, 1758). GIOKAS S. Congruence and conflict in Albinaria (Gastropoda, Clausiliidae). A review of morphological and molecular phylogenetic approaches. KEVREKIDIS T., MOGIAS A. & GOUVIS N. Interannual changes in the composition of the macrobenthic fauna of Drana lagoon (Evros Delta, N. Aegean Sea): preliminary note. KYRIAKOPOULOU-SKLAVOUNOU P. Adaptations of some amphibian species to Mediterranean environmental conditions. SIMEONOVSKA-NIKOLOVA D.M. Strategies in open field behaviour of Mus spicilegus and Mus musculus musculus. SKOUFAS G., POULICEK M. & CHINTIROGLOU C. Growth variation of Eunicella singularis (Esper, 1794) (Gorgonacea, Anthozoa). SOMARAKIS S., MARAVEYA E. & TSIMENIDES N. Multispecies ichthyoplankton associations in epipelagic species: is there any intrinsic adaptive function? KOUTSOUBAS D., ARVANITIDIS C., DOUNAS C. & DRUMMOND L. Community structure and dynamics of the molluscan fauna in a Mediterranean lagoon (Gialova lagoon, SW Greece). SINIS A.I., CHINTIROGLOU C.C. & STERGIOU K.I. Preliminary results from the establishment of experimental artificial reefs in the N. Aegean Sea (Chalkidiki,Greece).