zoekresultaten
-
Lutra 50(1)_de Jongh et al_2007
European mink ( Mustela lutreola) still surviving in Ukrainian deltas of the Danube and Dniester The Ukrainian part of the Danube delta was surveyed between 26 February and 3 March 2007 to determine if the European mink ( Mustela lutreola) (photo 1) still occurs in that area. Live traps were built -
Lutra 50(1)_Kapfer & Aron_2007
Temporal variation in flight activity, foraging activity and social interactions by bats around a suburban pond We investigated overnight and seasonal activity patterns of different bat species around a suburban pond between April and September 2003. Among the seven species identified, three ( -
Lutra 50(1)_Robinson et al_2007
The summer distribution and occurrence of cetaceans in the coastal waters of the outer southern Moray Firth in northeast Scotland (UK) Information on the distribution and occurrence of whales, dolphins and porpoises in the coastal waters of Scotland’s Moray Firth, in the north-west North Sea -
Lutra 50(1)_van den Brink_book review_2007
Book review: Pollutants and hedgehogs Non-destructive exposure and risk assessment of persistent pollutants in the European hedgehog (Erinaceus europaeus). H. d’Havé 2006. PhD thesis. University of Antwerp, Antwerp, Belgium. 231 pp. ISBN 90-5728-064-7. At the end of 2006 Helga d’Havé successfully -
Lutra 50(2)_Broekhuizen et al_least weasel_2007
The least weasel ( Mustela nivalis nivalis) in northwestern Taimyr, Siberia, during a lemming cycle During the summers of 2005-2007 the least weasel ( Mustela nivalis nivalis) near Mys Vostochniy, NW Taimyr, Siberia, was studied in relation to the fluctuating abundance of the Siberian lemming ( -
Lutra 50(2)_Broekhuizen et al_otter_2007
Re-mating in otter ( Lutra lutra) After the first observation of three morulas in the uterus of an otter ( Lutra lutra) (Broekhuizen et al. 2004) a second observation of three morulas, together with three early-stage blastocysts, was made in April 2005. In the light of the short period of delayed -
Lutra 50(2)_Ciechanowski et al_2007
Rare or underestimated? – The distribution and abundance of the pond bat ( Myotis dasycneme) in Poland The paper summarises the distribution and abundance of the globally vulnerable and nationally endangered pond bat ( Myotis dasycneme) in Poland and is based on all the available published and -
Lutra 50(2)_Editorial_2007
50 Volumes of Lutra (2) This year Lutra celebrates its 50th Volume. This provides a good moment to both look back at what has happened on the pages of our journal and ahead and try to recognise the challenges facing Lutra and possible new directions that it may take in the near future. In the -
Lutra 50(2)_Geelhoed_book review_2007
Book review: Cetaceans in the North Sea Whales and dolphins of the North Sea. C.J. Camphuysen & G.H. Peet 2006. Fontaine Uitgevers BV, ’s Graveland, The Netherlands. 159 pp. ISBN-10: 90 5956 2216 or ISBN 13: 978 98 5956 2219 [in English]. ISBN-10: 90 5996 157 or ISBN-13: 978 90 5956 1 [in Dutch]. In -
Lutra 50(2)_Van De Sijpe & Holsbeek_2007
Hunting strategy and tympanate moth predation by the pond bat ( Myotis dasycneme) Visual observations of moth predation by pond bats ( Myotis dasycneme) are described and related to typical secondary echolocation and flight behaviour patterns. When hunting over canals and rivers, the common search -
Lutra 51(1)_Boshamer & Bekker_2008
Nathusius’ pipistrelles ( Pipistrellus nathusii) and other species of bats on offshore platforms in the Dutch sector of the North Sea Between 1988 and 2007, 34 reports of bats were received from offshore platforms in the Dutch sector of the North Sea. These reports involved Nathusius’ pipistrelle ( -
Lutra 51(1)_Editorial_2008
Looking to the next 50 Volumes The production of a peer-reviewed scientific journal is a considerable undertaking, particularly for a small organisation, largely reliant on voluntary contributions. The route from a submitted draft to a published paper is a time-consuming trajectory that requires -
Lutra 51(1)_Kuijper et al_2008
Experimental evidence of light disturbance along the commuting routes of pond bats ( Myotis dasycneme) A population of pond bats ( Myotis dasycneme) inhabits a network of foraging areas and separate male, female-breeding and temporary colonies. These are interconnected by commuting routes which are -
Lutra 51(1)_Pagh_2008
The history of urban foxes in Aarhus and Copenhagen, Denmark Literature testifies to the presence of red foxes ( Vulpes vulpes) in Copenhagen as early as the time of the Slesvig War in 1848-1850, and they became numerous from the middle of the 1960s onwards. In Aarhus red foxes have only become -
Lutra 51(1)_Renard et al_2008
The use of the ‘Woeste Hoeve’ wildlife overpass by mammals The Woeste Hoeve is a wildlife overpass in the Netherlands, built in 1988, to reconnect parts of the Veluwe nature reserve, which were separated by the A50 motorway. Wildlife overpasses cost a substantial amount of money, but apart from an -
Lutra 51(2)_Camphuysen et al_2008
Cetaceans stranded in the Netherlands from 1998 to 2007 Between 1998 and 2007, 2063 cetaceans were found stranded in the Netherlands, representing at least 14 species. Two species, humpback whale ( Megaptera novaeangliae) and Blainville’s beaked whale ( Mesoplodon densirostris), are additions to the -
Lutra 51(2)_Editorial_2008
The shoulders of giants “If I have seen further it is by standing on the shoulders of giants”, Isaac Newton once wrote. The findings and observations of our colleagues and predecessors can inspire us, spark a new idea, or form the basis for new theories or hypotheses. Using the work of others to -
Lutra 51(2)_Oerlemans & Koene_2008
Possible implications of the presence of the raccoon dog ( Nyctereutes procyonoides) in the Netherlands The raccoon dog ( Nyctereutes procyonoides) is not an indigenous species in Europe. Russians introduced the species into European parts of the former Soviet Union between 1929 and 1955 and the -
Lutra 51(2)_Van De Sijpe_2008
Flight height of trawling pond bats and Daubenton’s bats This article presents an indirect way to estimate the flight height of trawling bats by measuring the small time intervals between pulses and echoes from the water surface. A particular study site, the historical Vauban ramparts around the -
Lutra 51(2)_Vink et al_2008
Defragmentation measures and the increase of a local European badger ( Meles meles) population at Eindegooi, the Netherlands Twenty four years’ data on European badger ( Meles meles) and sett numbers have been collected by direct observation of a local population at Eindegooi, which straddles the