zoekresultaten
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Lutra 46(1)_Bankert et al_2003
A review of the transect method by comparing it with three other counting methods to estimate rabbit ( Oryctolagus cuniculus) density In dune areas in the Netherlands, the standard method for estimating rabbit ( Oryctolagus cuniculus) populations is by counting the number of rabbits that can be seen -
Lezing otters en bevers in Brabant
Op 23 maart, van 20:00-22:00 organiseert de Otter- en Beverwerkgroep CaLutra ism IVN Den Bosch en Natuurlijk Vught een duo-lezing over deze twee prachtige oer-Nederlandse dieren. Hugh Jansman, geanimeerd spreker en een van dé otterspecialisten van Nederland en Peter Twisk, ervaren zoogdierdeskundige -
Lutra 46-2 2003
Beaver Special Contents / Inhoud Editorial Lutra 46 (2) Baker, B.W. Beaver ( Castor canadensis ) in heavily browsed environments. Baskin, L. & G. Sjöberg. Planning, coordination and realization of Northern European beaver management, based on the experience of 50 years of beaver restoration in -
Lutra 46(2)_Verbeylen_2003
The unofficial return of the European beaver ( Castor fiber) in Flanders (Belgium) After a long period of absence, beavers ( Castor fiber) reappeared in Flanders in the spring of 2000, first in the province of Vlaams-Brabant and in 2002 also in Limburg. The beavers originate from the unofficially -
Lutra 46(2)_Van Den Bergh & Manet_2003
The European beaver ( Castor fiber L.) in Wallonia (southern Belgium): the set-up of an afterthought management programme The beaver ( Castor fiber) returned to Wallonia mostly due to clandestine reintroductions of 100 Bavarian beavers between 1998 and 2001. Beaver settlements are now present in -
Lutra 46(2)_Ulevicius & Paulauskas_2003
On morphology and genetics of a successfully restored beaver population in Lithuania At least six centres of spread of reintroduced or naturally immigrated animals have influenced the formation of the present beaver ( Castor fiber) population in Lithuania. Phenetic (non-metrics of skull) and genetic -
Lutra 46(2)_Sluiter_2003
The reintroduction and the present status of the beaver ( Castor fiber) in the Netherlands: an overview The beaver ( Castor fiber) was reintroduced to the Netherlands in 1988, in the Biesbosch National Park. In the following years beavers were also introduced in several newly developed nature areas -
Lutra 46(2)_Reinhold_2003
The beaver ( Castor fiber) in Flevoland, The Netherlands Thirteen years after an unintended introduction, there is a growing beaver ( Castor fiber) population in the province of Flevoland, The Netherlands. The population was estimated to be at least 15 animals in 2003. It is assumed that the number -
Lutra 46(2)_Parker & Rosell_2003
Beaver management in Norway: a model for continental Europe? While Norway has been managing beaver ( Castor fiber) for more than 150 years, most central European countries have little experience and none are presently harvesting beaver, despite rapidly growing populations and conflicts. Here we -
Lutra 46(2)_Lisle_2003
The use and potential of flow devices in beaver management After being nearly exterminated during the fur trade European beavers ( Castor fiber) and American beavers ( Castor canadensis) have been recovering and gradually re-flooding their long-vacant habitats in recent decades. This development has -
Lutra 46(2)_Kurstjens & Bakhuis_2003
Adaptation of beavers ( Castor fiber) to extreme water level fluctuations and ecological implications We have observed how beavers ( Castor fiber) cope with water fluctuations in the Millingerwaard, part of the Gelderse Poort, a floodplain system of the river Rhine in the Netherlands. Beavers were -
Lutra 46(2)_Jones et al_2003
Felling and foraging: results of the first year of beaver ( Castor fiber) activity in an enclosed Scottish site A trial reintroduction of the European beaver ( Castor fiber) to Scotland has been proposed and is awaiting Scottish Executive approval. Currently, no data have been published on the -
Lutra 46(2)_John & Klein_2003
Beaver pond development and its hydrogeomorphic and sedimentary impact on the Jossa floodplain in Germany This paper presents results of a two-year study showing different beaver ( Castor fiber) induced hydrogeomorphic changes on the floodplain of the small river Jossa (Spessart Uplands, Germany) -
Lutra 46(2)_Hood & Bayley_2003
Fire and beaver in the boreal forest-grassland transition of western Canada – A case study from Elk Island National Park, Canada Prescribed fire is used as a management tool in many areas throughout the world to restore vegetation communities, reduce fuel loading, and enhance wildlife habitats -
Lutra 46(2)_Hartman_2003
Irruptive population development of European beaver ( Castor fiber) in southwest Sweden European beavers ( Castor fiber) have been reintroduced to many areas within their former range. The resulting populations are still in a phase of population growth and range expansion. From a management point of -
Lutra 46(2)_Halley & Rosell_2003
Population and distribution of European beavers ( Castor fiber) After being reduced to about 1,200 animals in eight isolated populations by the beginning of the 20th century, European beavers ( Castor fiber) have powerfully recovered in both range and population, through relaxation of persecution -
Lutra 46(2)_Hadidian_2003
Managing conflicts with beaver in the United States: an animal welfare perspective As had happened earlier in Europe, the American beaver ( Castor canadensis) was almost completely extirpated from its historic range because of human exploitation. Anywhere from 50 to 400 million beaver may have -
Lutra 46(2)_Gorshkov_2003
Is it possible to use beaver building activity to reduce lake sedimentation? Erosion processes and lake sedimentation are among the major environmental problems in Tatarstan Republic. Ploughed soils from the agricultural lands are easily washed away from the fields during flooding, and carried -
Lutra 46(2)_Fustec & Gormier_2003
The habitat potential of the downstream Loire River for European beavers ( Castor fiber) During the 19th century the European beaver ( Castor fiber) disappeared from most parts of France, except for the Rhône Valley. In the 1970s, beavers caught from the river Rhône were released in the Loire River -
Lutra 46(2)_Elmeros et al_2003
Monitoring of reintroduced beavers ( Castor fiber) in Denmark The European beaver ( Castor fiber) returned to Denmark in 1999 when 18 beavers were released in Klosterheden State Forest District in the northwestern part of the country. A monitoring programme was initiated to trace the population and