Sentences with phrase «smaller ocean species»

Not exact matches

And across all scales, from very small controlled studies of marine plots to those of entire ocean basins, maintaining biodiversity — the number of extant species across all forms of marine life — appeared key to preserving fisheries, water filtering and other so - called ecosystem services, though the correlation is not entirely clear.

Previous studies have documented the impact of plastic debris on more than 660 marine species — from the smallest of zooplankton to the largest whales, including fish destined for the seafood market — but none have quantified the worldwide amount entering the ocean from land.

Aquaculture currently uses more than 80 percent of the world's fish oil and fishmeal, which are extracted from small ocean - caught fish, leading to over-fishing of these species.

The small body size suggests that the species had a limited range, and did not migrate like the large whales of modern oceans.

More than half the species for oceans and tropical forests are on a special watch list because of small and declining populations, limited ranges and severe threats to their habitats.

Bacteria and small organisms like crabs and mussels brought in on ships coming from warmer oceans could spread disease and compete with native species for resources.

Gage and Gordon take issue with claims by Rudall Blanchard Associates, Shell's consultants, that the deep ocean «supports a small range of species»; that deep - water fishing does not take place in the area; and that water currents at the site are what atmospheric meteorologists would call «dead calm».

Ancient, small sharks survived an event that killed off most large ocean species 250 million years ago.

Sunfish Only two species are known, the rough or short sunfish (O. mola), which is found in all seas of the temperate and tropical zones; and the smaller and scarcer smooth or oblong sunfish (O. truncatus), of which only a small number of specimens have been obtained from the Atlantic and Indian oceans.

«Those who work on the ocean day - to - day live with effects of small changes in climate, while observing the subsequent changes in habitat and species behaviors.

In addition, they indicate that «a lack of developmental deformities at early stages for pCO2 ~ 1000 ppm has been previously reported for this species...» And they say «there are even reports that survival is increased in this species and its congener S. droebachiensis under some low pH conditions...»... conclude, that «the effects of small magnitude in these urchin larvae are indicative of a potential resilience to near - future levels of ocean acidification.»»

The predicted continuous warming trend of the ocean surface temperature is expected to favour the growth of smaller phytoplankton cells (picophytoplankton replacing large diatoms) that in turn would also favour small - sized zooplankton species (Li et al. 2009).

Working with the advice of the Marine Conservation Biology Institute, the Environmental Defense Fund, and the Pew Environmental Fund, Bush selected sites that collectively harbor the world's smallest atoll (Rose Atoll - which is home to more than 500 fish species and 97 % of American Samoa's seabirds), several threatened turtle nesting beaches, the deepest ocean canyon in the world (the Mariana Trench, with its otherworldly, undersea volcanoes, acidic thermal vents, liquid sulfur, and incredibly rare life forms), hundreds of species of corals, Hawaiian monk seals, and countless seabirds, rays, sharks, dolphins and whales.