Moreover, changes in terrestrial ecology, such as the vast reduction in flow from the Colorado River into the Gulf, have negatively affected fisheries, particularly in the northern region.

It also affects Pacific marine ecosystems and commercially valuable fisheries such as tuna, sardines, salmon, and Peruvian anchovetta.

Carpet sea squirt can overgrow other, sessile species, "potentially smothering species living in gravel and affecting fisheries.

The order affects the Pacific cod, black rockfish and fisheries for other groundfish that would have opened Saturday.

It is still unclear how the spill will affect fisheries in Tokyo Bay, where the catch is worth about $200 million a year.

Dams affect fisheries in several significant ways:

A policy for the protection of endangered marine species, for example, could affect recreational and commercial fisheries, mining, shipping and tourism sectors to name a few (Leslie et al. 2008).

Water column properties that can potentially affect fisheries resources are "temperature, salinity, dissolved oxygen (DO), total suspended solids, nutrients (nitrogen, phosphorus), chlorophyll a, and pollutants.

It affects certain fisheries and we believe that the Commission should include it because of the impact it has on the stocks themselves.

The resultant salinity variation and DO (dissolved oxygen) affects the primary production, plankton, biodiversity and fisheries in this lake.