Sentences with phrase «as spawning grounds»

The plankton, in turn, attracts a vast array of marine life, providing feeding as well as spawning grounds for myriad pelagic species, including some that have migrated across wide oceanic areas.

It is still too early, however, to measure the next hoped - for benefit of such preserves: serving as spawning grounds to replenish populations outside their boundaries.

Not exact matches

Ecosystem goods and services have most recently been defined as «the direct and indirect contributions of ecosystems to human well - being,» which can further be divided into one of four broad categories: regulating services (e.g. flood mitigation, water purification), provisioning services (e.g. food), habitat or supporting services (e.g. spawning grounds) and cultural services (e.g. recreational opportunities)(see here for an excellent explanation of these categories).

This «imprints «the harbors as the natural spawning grounds of the fish, so that they return to spawn when they reach adulthood.

Tagged fish were released in the high flows downstream of a dam in southwestern British Columbia and tracked as they navigated through a fishway and two lakes to their spawning grounds.

Early declines, dating as far back as the 1700s, were probably the result of overharvesting in the rivers, dam construction blocking access to spawning grounds, and water pollution.

Desert societies, with their far - flung members tending goats and camels, are classic spawning grounds for warrior classes and the accessories of militarism: military trophies as stepping stones to societal status, death in battle as a guarantee of a glorious afterlife, slavery.

Next they plan to do similar experiments with other tissues, such as the retina, and additional species that live in the ocean but travel to their freshwater hatching grounds each spring to spawn, such as American shad.

Developers have damaged creek spawning grounds, county agencies have inadvertently cut down hundreds of shade trees the students have planted, and, despite all the volunteer cleanups the United Anglers have conducted along the 7 - mile waterway, people persist in using Adobe Creek as a refuse dump.

The Campbell River has crystal clear water that provides a unique opportunity to snorkel with thousands of salmon as they swim up - river in search of their spawning grounds.

To my mind both situations are the spawning grounds for the human greed response; it is just a matter of degree as to what lengths one will go to in order to «survive».