4/9 (absent) Flashcards

selecting, designing and managing nature reserves

1
Q

What are the 3 major ways to maintain biodiversity

A
  1. protection
  2. conservation
  3. restoration
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2
Q

What was the original purpose of protected natural areas

A
  • other than biodiversity protection

- recreation, scenic beauty

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3
Q

What are the ecological consequences of initial natural areas

A
  • poor rep. of biodiversity
  • lack of long term viability
  • not designed for preserving biodiversity, fail to retain initial diversity
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4
Q

what is a protected natural area

A

-a geographically defined area which is designated, regulated and managed to achieve specific conservation objectives

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5
Q

current expectations

A

protect essential ecological processes & accommodate human use and occupancy

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6
Q

whats required for a protected natural area

A
  • select (area with rep. of biodiversity)
  • design )areas insure viability)
  • manage (reduce threats)
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7
Q

what are hotspots

A

areas on s surface with large percentages of species: (44% plant, 28% bird, 54% amphibian)
about 2/3 animal species on planet

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8
Q

What are the 7 levels of prot. established by th IUCN with example

A
  1. Strict Nature Reserve (Aldabra island)
  2. Wilderness Area (artic national wildlife refuge)
  3. national park (yellowstone)
    4.natural monument (saguaro)
    5.habitat/species management area (horicon marsh)
    6.protected lanscape/seascape
    (cape cod)
  4. managed resource protected area (us national forests)
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9
Q

how many protected areas exist

A

cover 10% of earth’s land surface (27% of US)

over 161,000

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