Hakutulokset: Nicholas Polunin
yhteensä 9 hakutulosta
Growth without Ecodisasters?
Population and Global Security
The human population of the world is increasing by about 1.5% per annum, adding about one hundred million people to the human ark each year. Not all agree that population growth on …
Botany of the Canadian Eastern Arctic; 104
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.This work is in the public domain in the …
Arctic Unfolding: Experiences and Observations During a Canadian Airborne Expedition in Northern Ungava, the Northwest Territories, and
Environmental Future
Aquatic Ecosystems
Concern about future supplies of fresh water to society, to meet the full range of human needs, now comes very high on the priority list of global societal issues. An overarching …
Reef Fisheries
Reef ecosystems extend throughout the tropics. Exploited by small-scale fishers, reefs supply food for millions of people, but, worldwide, there are growing worries about the …
Reef Fisheries
Reef ecosystems extend throughout the tropics. Exploited by small-scale fishers, reefs supply food for millions of people, but, worldwide, there are growing worries about the …
Aquatic Ecosystems
Concern about future supplies of fresh water to society, to meet the full range of human needs, now comes very high on the priority list of global societal issues. An overarching …