Pond Conservation in Europe (Developments in Hydrobiology, by Beat Oertli, Régis Céréghino, Jeremy Biggs, Steven Declerck,
By Beat Oertli, Régis Céréghino, Jeremy Biggs, Steven Declerck, Andrew Hull, Maria Rosa Miracle
Ponds are a very good freshwater source world wide and signify thirty percentage of the worldwide floor zone of status water. in addition, the hundreds of thousands of ponds which exist show a very excessive biodiversity and feature a excessive power for environment features and prone. regardless of those remarkable positive aspects, ponds face many threats from quite a few human actions and obtain very little safety less than eu and nationwide laws. for this reason, there's an pressing have to guard, consolidate and raise the pond source in Europe. so one can in attaining those targets, the eu Pond Conservation community (EPCN) was once introduced 2004 in Geneva. Its goal is to advertise the attention, realizing and conservation of those small water our bodies within the ecu panorama. This quantity of “Developments in Hydrobiology” provides a variety of 31 papers awarded in the course of EPCN meetings held in 2006 in France (Toulouse) and in 2008 in Spain (Valencia). They symbolize a various number of subject matters from around the continent and North Africa and current new and unique insights into subject matters as huge ranging as pond biodiversity; human disturbance; panorama ecology; ecological evaluation and tracking; useful administration measures; ecological recovery; hydrology and weather switch; invasive species and threatened species.
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Extra resources for Pond Conservation in Europe (Developments in Hydrobiology, 210)
The geographical distance between ponds seemed to influence the distribution of fauna. For example, among the 12 ponds of group A (Fig. 6), seven (M7– M12 and M15) are situated very close to each other in the south-western part of the cirque (see Fig. 1). In the same way, neighbour ponds M17–M16 and M13– M14 had similar faunal compositions. Results obtained using the 20-pond data set (including Oligochaeta and Chironomidae) showed the same trend (not presented here). A strong similarity among M9, M10 and M11 was also found (Fig.
Brendonck & L. De Meester, 2005b. Dormant propagule banks integrate spatio-temporal heterogeneity in cladoceran communities. Oecologia 142: 109–116. , M. Whitfield, J. Biggs, S. Bray, G. Fox, P. Nicolet & D. Sear, 2004. Comparative biodiversity of rivers, streams, ditches and ponds in an agricultural landscape in Southern England. Biological Conservation 115: 329–341. V. 2007 variables. Sampling was conducted in 25 ponds between 2002 and 2004. The number of taxa characterising the region (Macun cirque) was low, represented by 47 lentic taxa.
The hydrographic system has a natural origin with an age exceeding 4,000 year (the date of the last glacial retreat). The origin of the water differs depending on location in the Macun cirque. Robinson & Kawecka (2005) differentiated a north basin fed primarily by precipitation (mostly snow) and groundwater and a south basin fed mostly by glacial melt from rock glaciers. g. Plecoptera and Diptera Simuliidae) were discarded (see list in Electronic supplementary material). e. the 20 ponds where all macroinvertebrates have been identified and the 25 ponds, where Oligochaeta and Chironomidae were excluded.