Atlantic Canada Marine Biodiversity Essay 2012

Atlantic Canada Marine Biodiversity Essay 2012-40
Seagrass beds provide important habitat for a wide range of marine species but are threatened by multiple human impacts in coastal waters.Here, we review the growing literature on marine extinctions and extinction risk in the fossil, historical, and modern records to compare the patterns, drivers, and biological correlates of marine extinctions at different times in the past."Today’s Wadden Sea is a heavily human-altered ecosystem.Marine environmental history analyses the changing relationships between human societies and marine natural resources over time.

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The Wadden Sea history provides a unique long-term perspective on ecological change, new objectives for conservation, restoration and management, and an ecological baseline that allows us to envision a rich, productive and diverse Wadden Sea ecosystem and coastal society."Marine environmental history analyses the changing relationships between human societies and marine natural resources over time.

This is the first book which deals in a systematic way with the theoretical backgrounds of this discipline.

Multivariate analyses revealed that the composition of invertebrate assemblages differed significantly between both habitat types.

Exposed habitats supported a greater species richness, and the species that mainly explained the compositional difference between both environments were more abundant in exposed ones.

Thus, there is an urgent need to determine which marine species will adapt and which will go extinct.

Here, we review the growing literature on marine extinctions and extinction risk in the fossil, historical, and modern records to compare the patterns, drivers, and biological correlates of marine extinctions at different times in the past.

Large-scale habitat transformation over the last 1,000 years has eliminated diverse terrestrial, freshwater, brackish and marine habitats.

Intensive exploitation of everything from oysters to whales has depleted most large predators and habitat-building species since medieval times.

By using our site, you agree to our collection of information through the use of cookies. Seagrass beds provide important habitat for a wide range of marine species but are threatened by multiple human impacts in coastal waters.

Although seagrass communities have been well-studied in the field, a quantification of their food-web structure and functioning, and how these change across space and human impacts has been lacking.

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Comments Atlantic Canada Marine Biodiversity Essay 2012

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