690791
Descrição
Mapa Mental por Madison Burt, atualizado more than 1 year ago
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Criado por Madison Burt
mais de 10 anos atrás
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Impacts of Fishing on
Benthic Communities
- Fishing using gear that has
contact with the bottom causes
physical disturbance e.g. set nets,
trawls, bottom long lines etc.
- Natural physical disturbances
(seasonal storms, tidal cycles,
activities of burrowers etc.)
impact organisms less as they
are used to recovering from
them
- Impacts depends on the nature of
disturbances, frequency, scale and
intensity, habitat stability and
frequency of natural disturbance
- Fishing effort not homogenous.
Some areas more heavily impacted
than others. Fishermen often use
same lines
- Resuspension of sediments -
filter feeders can get clogged
in feeding apparatus &be
smothered
- Turnover of
boulders or
cobbles. Anything
living on them can
get destroyed
- Destruction of biogenic and
rock reef habitats. Not just
reefs.
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