NEWS
• http://news.yahoo.com/s/ap/climate_09_jellyfish
_menace
• http://www.boston.com/news/nation/articles/200
9/11/19/us_liable_in_katrina_flood_judge_says/
• http://www.boston.com/business/articles/2009/1
1/16/in_battle_to_save_hemlocks_hope_rests_o
n_a_beetle/
• http://www.boston.com/news/science/articles/20
09/11/18/carbon_pollution_up_despite_recessio
n/
Wetlands
Image courtesy of Moni3, Wikipedia
Wetlands
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Name 3 wetland environments
What makes them wet?
What makes them valuable?
What threatens wetlands?
Salt Marsh
Image courtesy of Wikipedia
Spartina
Images removed due to copyright restrictions.
Invasive Species
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Vernal Pools
Image courtesy of United States Geological Survey
Amphibians, Reptiles
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No Predators
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MA Wetlands Protection Act
• No person shall remove, fill, dredge or alter any bank, riverfront
area, fresh water wetland, coastal wetland, beach, dune, flat, marsh,
meadow or swamp bordering on the ocean or on any estuary, creek,
river, stream, pond, or lake, or any land under said waters or any
land subject to tidal action, coastal storm flowage, or flooding, other
than in the course of maintaining, repairing or replacing, but not
substantially changing or enlarging, an existing and lawfully located
structure or facility used in the service of the public and used to
provide electric, gas, water, telephone, telegraph and other
telecommunication services, without filing written notice of his
intention to so remove, fill, dredge or alter, including such plans as
may be necessary to describe such proposed activity and its effect
on the environment and without receiving and complying with an
order of conditions and provided all appeal periods have elapsed.
8 Interests of the Wetlands
Protection Act
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Protection of public and private water supply
Protection of groundwater supply
Flood control
Storm damage prevention
Prevention of pollution
Protection of land containing shellfish
Protection of fisheries
Protection of wildlife habitat
Solutions
Protecting Wet lands
Legally protect existing wetlands
Steer development away from existing
wetlands
Use mitigation banking only as a last resort
Require creation and evaluation of a new
wetland before destroying an existing wetland
Restore degraded wetlands
Try to prevent and control invasions by
nonnative species
Natural Capital
Ecological Services of Rivers
• Deliver nutrients to sea to help sustain coastal
fisheries
• Deposit silt that maintains deltas
• Purify water
• Renew and re-nourish wetlands
• Provide habitats for wildlife
Images removed due to copyright restrictions.
Salmon
Image courtesy of US Army Corps of Engineers
Solutions
Rebuilding Salmon Populations
Building upstream hatcheries
Releasing juvenile salmon from hatcheries to under
populated streams
Releasing extra water from dams to wash juvenile salmon
downstream
Building fish ladders so adult salmon can bypass dams
during upstream migration
Using trucks and barges to transport salmon around dams
Reducing silt runoff from logging roads above salmon
spawning streams
Banning dams from some stream areas
Fisheries
Images removed due to copyright restrictions.
Images removed due to copyright restrictions.