Definitions Flashcards
(21 cards)
Heterogeneity
being diverse in character or content
Ecology
the relations of organisms to one another and to their physical surroundings
Abiotic
physical rather than biological; not derived from living organisms
Tropics
the region of the Earth near to the equator and between the Tropic of Cancer and the Tropic of Capricorn
Allodiversity
introduced diversity
RAMSAR status
Wetlands protected by national governments to fulfil their obligations under the RAMSAR Convention
Eutrophication
when a body of water becomes enriched in dissolved nutrients (that stimulate growth of aquatic plants)
Latitude diversity gradient
the increase in spp. richness from the poles to tropics
‘Out of the tropics’ hypothesis
spp. originate in the tropics and disperse into higher latitudes
CBET
a.k.a. community based ecotourism
~ biodiversity must pay for itself by generating economic benefits
~ popular tool
Paying for environmental services
direct payment to landholder and resource users for maintaining natural habitats and biodiversity
Land sharing
integrates both objectives on the same land (conservation + food production)
Land sparing
high-yielding farming is combined with protecting natural habitats
Population
a group of animals/plants among whose members interbreeding occurs
Rank derived spatial partitioning
~ dominant groups disproportionately use preferred habitats
~ limit their exposure to humans/predators
~ expend less energy during the dry season
Effluent
liquid water or sewage discharged into a river or the sea
The Maasai
people of East Africa that live in southern Kenya and northern Tanzania along the great rift valley
Municipality
a city or town that has corporate status and local government
Streaking
travelling swiftly down travel corridors in unprotected areas
Corridors
strips of land that connect protected areas and so allow for migration
Diapause
state of inactivity + arrested development in eggs, insect pupae + plant seeds
