I. Ahlén

发表

Geometrical Factors and Metapopulation Dynamics of the Bush Cricket, Metrioptera bicolor Philippi (Orthoptera: Tettigoniidae)

O. Kindvall, I. Ahlén, 1992 .

Sonar used by flying Lesser horseshoe bats, Rhinolophus hipposideros (Bechstein, 1800) (Rhinolophidae, Chiroptera), in hunting habitats

I. Ahlén, 1988 .

Behavior of Scandinavian Bats during Migration and Foraging at Sea

Lothar Bach, Ingemar Ahlén, L. Bach, 2009 .

Bats and offshore wind turbines studied in southern Scandinavia

Lothar Bach, Ingemar Ahlén, J. Pettersson, 2007 .

Use of ultrasound detectors for bat studies in Europe: experiences from field identification, surveys, and monitoring

Ingemar Ahlén, I. Ahlén, H. Baagøe, 1999 .

Breeding Ecology of an Eider Population on Spitsbergen

I. Ahlén, Å. Andersson, 1970 .

Migratory behaviour of bats at south Swedish coasts

I. Ahlén, 1997 .

Factors affecting the distribution pattern of bats in Uppland, central Sweden

J. D. Jong, I. Ahlén, 1991 .

An instrument for detecting bat and insect sounds

Ingemar Ahlén, L Pettersson, Anders Svärdström, 1983 .

Geography of plants and animals

I. Ahlén, Sveriges Lantbruksuniversitet, L. Gustaffson, 1996 .

The bat fauna of some isolated islands in Scandinavia

I. Ahlén, 1983 .