... Marine Sciences
Using the sciences and technology to solve
problems and answer ocean coastal and great lakes
questions (e.g. ecosystem health, environmental
quality, and fisheries sustainability).
... energy goes and sets constraints on
alternative webs, but it does not say
how the flow is regulated. The model
attempted to demonstrate this regulation as dependent on nutrient limitation at the level of basic production—combined with grazing and
predation at higher trophic levels—
and led to predic ...
... Benefits of Marine Protected Areas
Ecosystem Maintenance and Recovery
The top image shows an urchin barren. With the loss
of apex predators, like the spiny lobster or southern
sea otter, urchin populations take over and consume
most of the kelp within an ecosystem.
After years of protection (see bot ...
... 16.5 Conservation
Legislation helps to protect the environment and
• Clean Air Act –
– Signed into law in 1970, helped increase air quality;
regulates emissions from factories and automobiles
• Clean Water Act –
– Signed into law in 1972, provides safe waterways for
swimming and ...
... Legal Protection of Some Endangered and
Threatened Marine Species
• Why is it hard to protect marine biodiversity?
– Human ecological footprint and fishprint are expanding
– Much of the damage in the ocean is not visible
– The oceans are incorrectly viewed as an inexhaustible
– Most of the ...
... ecosystems and depleting these resources.
• Around the world, unsustainable fishing practices,
including the poisoning and dynamiting of coral reefs,
catching unwanted fish, dragging nets on the sea floor,
over fishing popular species, and fishing in critical
reproductive areas are making the proble ...
... localised decline of marine turtles in general
(Kennett et al. 2004). Given the indications of a
population at least in the thousands in both the
breeding and feeding segments with no evidence
of substantial decline the species is considered as
Least Concern for the Northern Territory.
... Preservation and management of cultural
Conservation of threatened, potentially
threatened or endangered species
Preservation of land and marine environs
Increased public participation
... Futures Community Mapper
• Educate the public on the importance of environmental conservation, as well as
providing unique economic incentives for Maine landowners
• Ultimately provide a large area of protected land that offers refuge for various
animals that inhabit Maine, as well as sustaining the ...
... Cetacea – whales, porpoises, and dolphins.
Human activities like whaling, overfishing, and fur hunting have endangered or may endanger
Biological resource – fish, fisheries, kelp, etc.
Marine conservation, also known as marine resources conservation, is the protection and preservation of ecosystems in oceans and seas. Marine conservation focuses on limiting human-caused damage to marine ecosystems, and on restoring damaged marine ecosystems. Marine conservation also focuses on preserving vulnerable marine species.