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Global Environmental Changes VI

Beschreibung

Karteikarten am Global Environmental Changes VI, erstellt von J yadonknow am 22/01/2018.
J yadonknow
Karteikarten von J yadonknow, aktualisiert more than 1 year ago
J yadonknow
Erstellt von J yadonknow vor etwa 7 Jahre
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Zusammenfassung der Ressource

Frage Antworten
What do Himalayan Balsam do? Crowd out native species, including tansy
What do rhododendrons do? Block light, spread diseases fatal to trees
What effect do minks have? 94% decrease in water vole sites
What effects do signal crayfish have? Drives white-clawed crayfish towards extinction Transmission of crayfish plague Burrow into riverbanks, increase erosion and flood risk
What are the characteristics of an invasive species? (8) Fast growth Rapid reproduction High dispersal ability phenotype plasticity tolerance to a wide range of environmental conditions able to live off of a wide range of food sources Association with humans Prior successful invasion history
How does urban eutrophication occur? When rain occurs in large cities it filters down pollutants such as CO2 onto the ground below. Chemicals wash directly into water bodies, damaging water quality and marine ecosystems.
What is one of the main effects of light pollution? Changes predator-prey relationships Occurs around lakes and prevents zooplankton from eating surface algae, leading to toxic algal blooms
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