Sentences with phrase «maintain viable populations»

Limiting other stressors and impacts, for instance fishing mortality, may be one way to help maintain viable populations of sensitive species and to reduce the impacts of acidification on assemblage structure and ecosystem function.

``... the ecological and conservation significance of these kill tallies is difficult to contextualise, because (1) there are no reliable estimates of the total population of birds in Australia; (2) predation may fall disproportionately on some bird species; (3) some bird species may be able to sustain high mortality rates and maintain viable populations but others may not; and (4) as demonstrated here, there is substantial spatial variation in the numbers and proportion of birds killed across Australia.»

Furthermore, the researchers suspect that even if habitat destruction were to halt in these areas, the remaining large animal species would have little chance of maintaining viable populations beyond the next few decades.

Students are challenged to grow the mountains to their maximum height (corresponding to the maximum change in light level on either side of the chain) while maintaining a viable population of plants on each side.

Not exact matches

The real question is what population size can maintain technology sufficient to provide good healthcare, that enables us to colonise other planets (if such a thing is really viable), mine the asteroids, and deflect a possible asteroid that is on a collision course.

They define this as «a seamless mosaic of forests and associated natural treeless ecosystems that exhibit no remotely detected signs of human activity or habitat fragmentation and are large enough to maintain all native biological diversity, including viable populations of wide - ranging species».

a seamless mosaic of forests and associated natural treeless ecosystems that exhibit no remotely detected signs of human activity or habitat fragmentation and are large enough to maintain all native biological diversity, including viable populations of wide - ranging species».

• Initiated the concept of outreach programs, resulting in a viable data bank of eligible student population that fits financial aid criteria Developed working comprehension of student financial aid programs Maintained financial aid archives Conducted verification of student and parent application data in compliance with federal criteria • Followed up on applications to determine their status and provide feedback to applicants • Created a special quota for students with special needs and provide them with assistance in gaining financial aid • Monitored academic progress of students eligible to receive financial aid