mangroves Flashcards
1
Q
how many mangrove species?
A
69
2
Q
habitat for how many species?
A
220
3
Q
what % of all commercial fish species are mangrove dependent? citation?
A
30%
naylor 2000
4
Q
how many tonnes a year is caught from mangroves
A
30 million
5
Q
how many metres wide do mangroves need to be to significantly reduce wave pressure?
citation?
A
100m
alongi 2008
6
Q
decline in wave energy?
A
50% decline 100m in Sonneratiaforests.
7
Q
what effect does acidic soil left behind by mangroves have?
citation?
A
decreases the regeneration of seedlings
Ellison 1996
8
Q
what effects does petroleum and hydrocarbons have on caribbean mangroves?
A
petroleum defoliates trees
hydrocarbons persist for decades and cause mutations in seedlings
9
Q
what % of mangroves are lost every year in the caribbean?
A
1%
