J. Økland

发表

Effects of acidic water on freshwater snails: results from a study of 1000 lakes throughout Norway.

J. Økland, 1992, Environmental pollution.

Freshwater bryozoans (Bryozoa) of Norway V: review and comparative discussion of the distribution and ecology of the 10 species recorded

J. Økland, K. A. Økland, 2005, Hydrobiologia.

The effects of acid deposition on benthic animals in lakes and streams

J. Økland, K. A. Økland, 1986, Experientia.

Freshwater bryozoans (Bryozoa) of Norway II: distribution and ecology of two species of Fredericella

J. Økland, Karen Anna Økland, 2001, Hydrobiologia.

Freshwater bryozoans (Bryozoa) of Norway IV: Distribution and ecology of four species of Plumatella with notes on Hyalinella punctata

J. Økland, K. A. Økland, J. Massard, 2003, Hydrobiologia.

Freshwater bryozoans (Bryozoa) of Norway: Distribution and ecology of Cristatella mucedo and Paludicella articulata

J. Økland, K. A. Økland, 2000, Hydrobiologia.

Freshwater sponges (Porifera: Spongillidae) of Norway: distribution and ecology

J. Økland, K. A. Økland, 1996, Hydrobiologia.

The unexpected discovery of a brackish water amphipod, Gammarus zaddachi Sexton, 1912, found isolated at 150 m depth in an inland freshwater lake in Norway

F. Økland, J. Økland, K. A. Økland, 2011 .

The amphiatlantic freshwater sponge Anheteromeyenia ryderi (Porifera: Spongillidae): taxonomic-geographic implications of records from Norway

J. Økland, K. A. Økland, 1989, Hydrobiologia.

Factor interaction influencing the distribution of the freshwater “shrimp” Gammarus

J. Økland, K. A. Økland, 1985, Oecologia.