Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Conservation targeting called into question

18.08.2005


Ecologists may need to reconsider methods of targeting conservation effort in species rich biodiversity hotspots such as rainforests, according to scientists in the journal Nature, 18 August 2005.



A consortium of scientists, funded by the Natural Environment Research Council (NERC), has produced the first global database of bird biodiversity. Their analyses show that hotspots of diversity in species richness, rarity and threat occur in widely differing geographical areas and that there is surprisingly little overlap between these patterns.

Co-author Ian Owens from NERC‘s Centre for Population Biology, Imperial College London, who worked on the global database said: ‘This is the first time anyone has put together a detailed map of bird biodiversity on a global scale. What interested us is that this map shows biodiversity patterns are more complicated than we originally thought.


‘Different aspects of biodiversity such as rarity and extinction risk show very different geographical distributions, so they are probably produced by different mechanisms and will probably need different sorts of conservation effort,’ added Professor Owens.

According to co-author David Orme, also at Imperial, the study is a major advance in knowledge: ‘biodiversity hotspots have a high profile in conservation, but are controversial because their underlying assumptions remain untested. The key assumption is that ‘hot’ areas for one aspect of diversity will also be hot for other aspects. Our analyses show this is not the case: we found different types of hotspot in different areas.

‘For birds, hotspots of species richness are the mountains of South America and Africa, whereas hotspots of extinction risk are on the islands of Madagascar, New Zealand and the Philippines. Different mechanisms are therefore responsible for different aspects of biodiversity, and conservation strategy needs to be based on multiple factors,’ added Dr Orme.

Owen Gaffney | alfa
Further information:
http://www.nerc.ac.uk

More articles from Ecology, The Environment and Conservation:

nachricht Joint research project on wastewater for reuse examines pond system in Namibia
19.12.2016 | Technische Universität Darmstadt

nachricht Scientists produce a new roadmap for guiding development & conservation in the Amazon
09.12.2016 | Wildlife Conservation Society

All articles from Ecology, The Environment and Conservation >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Designing Architecture with Solar Building Envelopes

Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.

As part of the “ArKol – development of architecturally highly integrated façade collectors with heat pipes” project, Fraunhofer ISE together with its partners...

Im Focus: How to inflate a hardened concrete shell with a weight of 80 t

At TU Wien, an alternative for resource intensive formwork for the construction of concrete domes was developed. It is now used in a test dome for the Austrian Federal Railways Infrastructure (ÖBB Infrastruktur).

Concrete shells are efficient structures, but not very resource efficient. The formwork for the construction of concrete domes alone requires a high amount of...

Im Focus: Bacterial Pac Man molecule snaps at sugar

Many pathogens use certain sugar compounds from their host to help conceal themselves against the immune system. Scientists at the University of Bonn have now, in cooperation with researchers at the University of York in the United Kingdom, analyzed the dynamics of a bacterial molecule that is involved in this process. They demonstrate that the protein grabs onto the sugar molecule with a Pac Man-like chewing motion and holds it until it can be used. Their results could help design therapeutics that could make the protein poorer at grabbing and holding and hence compromise the pathogen in the host. The study has now been published in “Biophysical Journal”.

The cells of the mouth, nose and intestinal mucosa produce large quantities of a chemical called sialic acid. Many bacteria possess a special transport system...

Im Focus: Newly proposed reference datasets improve weather satellite data quality

UMD, NOAA collaboration demonstrates suitability of in-orbit datasets for weather satellite calibration

"Traffic and weather, together on the hour!" blasts your local radio station, while your smartphone knows the weather halfway across the world. A network of...

Im Focus: Repairing defects in fiber-reinforced plastics more efficiently

Fiber-reinforced plastics (FRP) are frequently used in the aeronautic and automobile industry. However, the repair of workpieces made of these composite materials is often less profitable than exchanging the part. In order to increase the lifetime of FRP parts and to make them more eco-efficient, the Laser Zentrum Hannover e.V. (LZH) and the Apodius GmbH want to combine a new measuring device for fiber layer orientation with an innovative laser-based repair process.

Defects in FRP pieces may be production or operation-related. Whether or not repair is cost-effective depends on the geometry of the defective area, the tools...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

12V, 48V, high-voltage – trends in E/E automotive architecture

10.01.2017 | Event News

2nd Conference on Non-Textual Information on 10 and 11 May 2017 in Hannover

09.01.2017 | Event News

Nothing will happen without batteries making it happen!

05.01.2017 | Event News

 
Latest News

Multiregional brain on a chip

16.01.2017 | Power and Electrical Engineering

New technology enables 5-D imaging in live animals, humans

16.01.2017 | Information Technology

Researchers develop environmentally friendly soy air filter

16.01.2017 | Power and Electrical Engineering

VideoLinks
B2B-VideoLinks
More VideoLinks >>>