maintaining biodiversity Flashcards

1
Q

define ‘in situ’

A

conservation of species in their natural habitat

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2
Q

define ‘ex situ’

A

conservation of species when removed from their natural habitat

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3
Q

describe the features of maintaining biodiversity in a wildlife reserve

A
  • controlled grazing
  • restrict human access
  • feeding animals
  • reintroduce species
  • culling
  • deflected succession
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4
Q

describe the features of maintaining biodiversity in a marine conservation zone

A
  • restrict access
  • control fishing
  • remove species
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5
Q

describe the features of maintaining biodiversity in botanic gardens

A
  • contain rare plants
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6
Q

describe the features of maintaining biodiversity in seed banks

A
  • seeds from a wide variety of plants are stored
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7
Q

what is coppicing?

A
  • cutting tree trunks close to the ground
  • repeated over time
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8
Q

what does coppicing result in?

A

allows new shoots to grow from surface of stump

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9
Q

how does coppicing increase biodiversity?

A
  • new stems grow more rapidly than saplings
  • provides more habitats for animals to live and reproduce
  • extends lifespan of tree
  • varies light levels
  • allows smaller plants to access light
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