3. Niche breadth was quantified using field data for both water conductivity and anionic composition (realised niche). In addition, physiological tolerance in relation to conductivity and anionic composition (fundamental niche) was estimated in laboratory tests using eggs, nymphs and adults of all ...
The realised trophic niche ofMexcalawas quite narrow, supporting the former view that it is myrmecophagous. The fundamental niche was wider, as the spiders were able to catch other insect prey with a high frequency in the laboratory (namely Collembola, Isoptera, Auchenorhyncha) than those ...
Scholar and students have always been great travelers. The official case for "academic mobility" is now often stated in impressive terms as a fundamental necessity for economic and social progress in the world, and debated in corridors of Europe, but it is certainly nothing new. Serious students...