News articles tagged with 'ecologist'
Climate change is making our environment 'bluer'
— 6 Apr 2011 18:49 | EnvironmentThe 'colour' of our environment is becoming 'bluer,' a change that could have important implications for animals' risk of becoming extinct, ecologists have found. In a major study involving…
Shark tracking reveals impressive feats of navigation
— 2 Mar 2011 12:49 | BiologySome shark species are able to navigate to specific locations up to 50 km away, a new study published in the British Ecological Society's Journal of Animal Ecology has found. Re-analysing…
Study: Ecological effects of biodiversity loss underestimated
— 30 Nov 2010 21:39 | EnvironmentChildren aren't the only youngsters who are picky eaters: More than half of all species are believed to change their diets - sometimes more than once - between birth and adulthood.…
Climate change may create tipping points for populations, not just species
— 22 Oct 2010 20:31 | EnvironmentAs Earth's climate warms, species are expected to shift their geographical ranges away from the equator or to higher elevations…
Scientist helps pinpoint threats to life in world's rivers
— 15 Oct 2010 11:32 | EnvironmentThe food chain - the number of organisms that feed on each other - in the world's streams and rivers depends more upon the size of the stream and whether the waterways flood or run…
Study challenges long-held assumption about competition in disturbed ecosystems
— 29 Jun 2010 11:11 | EnvironmentHurricanes, wildfires and influxes of pollutants create disturbances that can put ecological systems under extreme stress. Ecologists had believed that at times like these, competition…
Decline of freshwater species - a loss of natural capital
— 22 Jun 2010 10:13 | EnvironmentThe decline of biodiversity represents a loss of natural capital for future generations. Freshwater ecosystems are particularly affected, as they harbour disproportionately high levels…
Wilder weather exerts a stronger influence on biodiversity
— 20 Jan 2010 16:23 | EnvironmentAn increase in the variability of local conditions could do more to harm biodiversity than slower shifts in climate, a new study has found…
'Weedy' bird species may win as temperatures rise
— 10 Jun 2009 10:02 | BiologyClimate change is altering North American winter bird communities in ways that models currently favoured by ecologists fail to predict…
Michigan scientist, ethicist urge scientists to speak out on environmental policy
— 20 May 2009 15:35 | EnvironmentShould environmental scientists be advocates for environmental policy? To a wildlife ecologist from Michigan Technological University and an environmental ethicist from Michigan State…