1.   Tropical seaweed is spreading rapidly along the French riviera in the vicinity of Monaco and Toulon, threatening to disrupt the coastal ecosystem.

2.   Inland waterways, estuaries and coastal ecosystems around the world have been subjected to a chronic, long-term increase in organic matter washed off the land.

3.   Indeed, for many, generating awareness of how individual actions affect ocean and coastal ecosystems is the most important exercise of all.

4.   The pieces would then have to cross a delicate coastal ecosystem, over land controlled by two state agencies and the federal Bureau of Land Management.

5.   The monument begins just offshore and was created to protect the coastal ecosystem.

6.   The otters are the keystone species of a coastal ecosystem called kelp forests.

7.   This would turn runoff that would otherwise harm coastal ecosystems into a banked resource, storable for the inevitable dry periods to come.

8.   Conservation officer coastal ecosystems Lindsay Chadderton said he had received several calls from people disgusted by the killing.

a. + ecosystem >>共 142
fragile 11.85%
marine 8.82%
natural 6.34%
delicate 5.23%
entire 4.13%
local 3.58%
coastal 2.20%
whole 2.20%
complex 1.93%
antarctic 1.93%
coastal + n. >>共 454
water 20.07%
area 11.70%
town 5.13%
city 4.87%
region 3.63%
resort 3.09%
flood 2.40%
highway 2.40%
community 2.08%
state 1.99%
ecosystem 0.17%
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