Chapter 6 – Producers:
Seaweeds and Plants
The Domains of Life
Kingdom Protista –
Seaweeds (algae)
Kingdom Plantae – Plants
Algal (macrophyte) structure
Marine algae in an Oregon
Intertidal Zone
Phylum Chlorophyta –
Green Algae
Green Algae
Chaetomorpha
Bryopsis
Green Algae
Ulva
Enteromorpha
Green Algae
Halimeda
…a calcareous reef
building alga
Phylum Heterokontophyta: Class
Phaeophyta – Brown Algae
Brown Algae
Leathesia
Scytosiphon
Brown Algae
Egregia
Laminaria
Brown Algae
Postelsia
Brown Algae
Macrocystis -- Kelp
Brown Algae
Macrocystis -- Kelp
Class Rhodophyta – Red Algae
Red Algae
Calliarthron
Melobesia
Red Algae
Corallina
Palmaria
Red Algae
Microcladia
Entocladia
Red Algae
Mazzaella
Mastocarpus
Algae as a Human Resource
Phycocolloids
Algin (brown algae)
Carrageenan
(red algae)
Phycocolloids
Agar (red algae)
Class Rhodophyta – Red Algae
Porphyra
Algae products and harvest
Edible Algae
Evelyn McConnaughey
OIMB
Homework:
Look for the ingredients:
Carrageenan
Alginate
Beta Carotene.
Examine the foods in your
house. Write down which foods
contain algae derivatives and
the derivative.
Kingdom Plantae – Plants
Phylum Anthophyta
Flowering Plants
Angiosperms
Mangrove flowers
Seagrass flower
Seagrass bed
Sea grass bed at lower edge
of the intertidal zone
Seagrasses
roots and
rhizomes
Common Seagrass genera
Seagrass genera in Califronia waters
2 species
3 species
Zostera
Phyllospadix
Seagrasses are
flowering plants
Reproductive plants
flower
Fruit with seeds
Salt Marsh
Medcalfe Marsh, near Charleston, Oregon
Salt marsh – mudflat system
Salt marsh
mudflat
Salt Marsh plants
Salicornia
(pickleweed)
Salt Marsh plants
Spartina
(cordgrass)
Mangrove
Mangrove seedling
Salt Marshes and
Mangroves
How would you test the tolerance of salt of
certain plants to develop your own salt marsh
or mangrove?
Items to think about:
•Environment (evaporation/precipitation)
•Sediment
•Type of plant (the anatomy)
DEVELOP A HYPOTHESIS,
PROBLEM STATEMENT,
MATERIALS AND
PROCEDURES…