zoekresultaten

  • 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
  • Lutra 52(1)_Bunnell_2009

    Growth rate in early and late litters of the European hedgehog ( Erinaceus europaeus) European hedgehogs ( Erinaceus europaeus) are thought to have two litters a year in Britain. Second or late litters would be expected to have a reduced chance of survival as they have less time available to gain
  • Lutra 52(1)_Editorial_2009

    Darwin As dedicated naturalists, involved either professionally or on a voluntary basis, we are all acquainted with Charles Darwin’s extremely important insights, recorded 150 years ago in his famous publication ‘On the origin of species’. This anniversary is being commemorated all over the world
  • Lutra 52(1)_Haarsma & Tuitert_2009

    An overview and evaluation of methodologies for locating the summer roosts of pond bats ( Myotis dasycneme) in the Netherlands During a long-term and intensive study in various parts of the Netherlands we employed five survey methods to find pond bat ( Myotis dasycneme) roost sites: church loft
  • Lutra 52(1)_Haarsma & van Alphen_2009

    Tubing, an effective technique for capturing pond bats above water Several bat species, including the pond bat ( Myotis dasycneme), long-fingered bat ( M. capaccinii) and Daubenton’s bat ( M. daubentonii) hunt primarily above water and predominantly use waterways as commuting routes. Researchers
  • Lutra 52(1)_Kleef & Tydeman_2009

    Natal den activity patterns of female pine martens ( Martes martes) in the Netherlands Maternal pine marten ( Martes martes) den activity patterns at sixteen natal dens with kittens were studied in three separated forests in the north of the Netherlands from 1998–2007, using temperature recordings
  • Lutra 52(1)_Thissen et al_2009

    The 2006 national Red List of mammals of the Netherlands and a IUCN Regional Red List A proposal for a second Red List of mammals of the Netherlands was published in 2006 by the Society for the Study and Conservation of Mammals. Following Dutch national criteria it covers all 57 mammal species that
  • Lutra 52(2)_Drees et al_2009

    The translocation of rabbits in a sand dune habitat: survival, dispersal and predation in relation to food quality and the use of burrows A decrease in a local rabbit ( Oryctolagus cuniculus) population can be offset by translocation and restocking the area with rabbits from other areas. However