Introduction:
A typical day paddling through the Altamaha River salt marsh
Experience a virtual paddling tour of the salt marsh at the far
reaches of the Altamaha River watershed. As you make your way through
the marsh, learn about its ecology and its vulnerability to human
impacts.
I.
What is a Salt Marsh?
II.
Major Concepts
A. Climate
i. Definition
ii. Temperature and rainfall
iii. Activities
B. Geology
i. Definition
ii. Description for salt marsh
iii. Activities
C. Hydrology
i. Definition
ii. Description for salt marsh
iii. Tidal considerations
iv. Activities
D. Geomorphology
i. Definition
ii. Cross-section of salt marsh
iii. Succession in a salt marsh
iv. Activities
E. Ecological Habitats
i. Aquatic Habitat
a. Definition
b. Variation in water height, salinity, and temperature
c. Marsh is partly submerged
d. Life cycles of organisms
e. Activities
ii. Intertidal Habitat
a. Definition
b. Vegetated marsh, mud flats, bare creeks and channels
c. Food web
d. Species ranges with respect to salinity
e. Activities
iii. Upland Habitat
a. Definition
b. Vegetative description
c. Activities
iv. Beach and Dune Habitat
a. Description (geology, functional relationship within estuary)
b. Vegetation
c. Niches for feeding and nesting
d. Activities
F. Animals and Plants
i. Natural histories and life cycles of selected species
ii. Special interest stories
iii. Lists of common and rare species
iv. Activities
G. Ecological Processes
i. Definitions
ii. Primary production and decomposition
iii. Herbivory, Carnivory, Omnivory
iv. Recycling of organic matter and nutrients
v. Activities
H. Socioeconomic Values of the Estuary
I. Effects of Human Impacts and Pollution
i. Direct
ii. Indirect
J. Managements Issues - Salt Marsh
i. Local waste disposal, effluents
ii. Ferry and associated car parking
iii. Boat Traffic
iv. Effects of introduced species on Sapelo Island
v. Harvesting and controlled burning of timber on Sapelo Island
vi. Activities
III. Related Service-Learning Projects
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