zoekresultaten

Lutra 47(2)_Spoelstra et al_2004

The European souslik in the natural light-dark cycle: what is the signal for afternoon retreat? European sousliks ( Spermophilus citellus) are strictly diurnal with a very precise daily activity rhythm in field conditions. This activity rhythm is regulated by the internal biological clock which in

Lutra 46-1 2003

Editorial Lutra 46(1) Contributed papers / Artikelen Bankert, D., K.C.G. in `t Groen & S.E. van Wieren. A review of the transect method by comparing it with three other counting methods to estimate rabbit ( Oryctolagus cuniculus ) density. Jansman, H.A.H., J. Dekker, B. van Hattum, P.E.G. Leonards &

Lutra 47(2)_Millesi et al_2004

Reproductive strategies of male European sousliks ( Spermophilus citellus) at high and low population density The spring population density of European sousliks ( Spermophilus citellus) in a suburban area near Vienna, Austria, changed from 60 to 6 individuals/ha from 1991 to 1998. The decline

Lutra 47(2)_Hoffmann et al_2004

Why males incur a greater predation risk than females in juvenile European sousliks ( Spermophilus citellus) Leaving a familiar area is assumed to involve an increased vulnerability to predation, yet rarely are movement patterns and mortality monitored directly. For this reason we examined the

Lutra 47(2)_Hoekstra_recente literatuur_2004

Publicaties over recente zoogdieren van Nederland, verschenen in 2003 Abbing, L. Terugkeer van de bever. Rondom het Leudal 28: 239-240. Achterberg, C. & M. van der Horst. Het voorkomen van boommarters in de Zuidwestpoort van Apeldoorn. Rapport 2003.07. Vereniging voor Zoogdierkunde en

Lutra 47(2)_Editorial_2004

Sousliks It is no easy task to understand fluctuations in population density and the mechanisms underlying the disappearance, (re)colonization and successful dispersal of species. Often tremendous efforts are necessary in order to gain insight in these processes, they include sampling many variables

Lutra 47(2)_Camphuysen_2004

The return of the harbour porpoise ( Phocoena phocoena) in Dutch coastal waters The harbour porpoise ( Phocoena phocoena) became virtually extinct in Dutch coastal waters in the early 1960s. A systematic method to record seabird passage along the coast became established in the early 1970s and was

Lutra 47(2)_Broekhuizen et al_2004

The accidental discovery of a morula in an otter ( Lutra lutra) (Nederlandstalig: Morula’s van een otter (Lutra lutra): een toevallige waarneming) On the 24th of June, 2004, a four year old female otter ( Lutra lutra) was killed by a car in the reintroduction area National Park De Weerribben

Lutra 58-2 2015

Contents / Inhoud Thigmophilia Jan Piet Bekker Research Papers / Artikelen From meadows to marshland - response of small mammal populations Wim H.M. van Boekel A review of the results obtained during the Field Study Group summer camps of the Dutch Mammal Society, 1986-2014 Jan Piet Bekker, Kees

Lutra 58(2)_Thissen et al_2015

Twee nieuwe waarnemingen van de noordse woelmuis in Oostenrijk (Engelstalig artikel: Two new records of the Pannonic root vole ( Microtus oeconomus mehelyi Ehik, 1928) in Austria) Ter bevestiging van de aanwezigheid van de noordse woelmuis ( Microtus oeconomus mehelyi) aan de westzijde van de

Lutra 58(2)_Bekker et al_2015

A review of the results obtained during the Field Study Group summer camps of the Dutch Mammal Society, 1986-2014 The 28 summer camps of the Field Study Group of the Dutch Mammal Society organised between 1986 and 2014 are reviewed here. Over time the Field Study Group gradually spread out its

Lutra 58(2)_van Boekel_2015_lr

From meadows to marshland - response of small mammal populations In January 2012, nature reserve De Onlanden, located in the northern part of the Netherlands, changed suddenly from a meadows and hayfield biotope on peat soil into a large-scale marshland biotope and water containment area. The

Lutra_58(2)_van der Kooij et al_2015_lr

The range of the masked shrew ( Sorex caecutiens Laxmann, 1788) extends to southern Scandinavia The discovery of the masked shrew ( Sorex caecutiens) in 2003 in southern Norway, 500 km southwest of its known range, initiated the mapping of its actual range. Through the revision of museum specimens

Lutra 58(2)_Bekker_Editorial_2015

Thigmophilia De thigmofiel, het verlangen naar geborgenheid [the thigmophile, longing for safety], the latest book from Dutch biologist Midas Dekkers (2015) undoubtedly created a wide recognition of the meaning of the concept of ‘thigmophilia’, a new term devised by the author. Dekkers defines