Revision of the calcareous fen arachnofauna: habitat affinities of the fen-inhabiting spiders

  title={Revision of the calcareous fen arachnofauna: habitat affinities of the fen-inhabiting spiders},
  author={Maija Stokmane and Inese Cera},
  pages={67 - 108}
Calcareous fens are one of the most species-rich habitats of the temperate zone of the Northern Hemisphere. In spite of this species richness, however, calcareous fens are still rather poorly investigated. Consequently, the data of the fen-associated spider fauna are also largely lacking. The aim of the research was to study the spider fauna of the calcareous fens of Latvia and to draw conclusions about what kind of spider species and ecological groups typically inhabit calcareous fen habitats… 
2 Citations

Figures and Tables from this paper



Diversity of grass-dwelling spiders (Arachnida: Araneae) in calcareous fens of the Coastal Lowland, Latvia

It was shown that various spider species responded very differently to the presence of particular plant species, and thus habitat structural heterogeneity emerges to be an important factor influencing the grass-dwelling spider diversity and community structure.

The riparian spider fauna ( Araneae ) of the river Gaula , Central Norway : implications for conservation efforts

The riparian spider fauna of the river Gaula near Trondheim, Central Norway, has been investigated in spring/summer 1994 by means of pitfall traps, limited sieving and hand picking. Sites varied from

Contribution to the spider fauna of the Mohoş peat bog from Transylvania, with some new data for Romania

The spider community of the surrounding beech area stood out as the most individual, having only a few species in common with the other studied habitat types, and a more strict protection of these valuable habitats would be recommended.

Occurrence of grass-dwelling spiders in habitats of Lake Engure Nature Park

Ecological studies on spiders in the territory of Latvia have not been conducted recently. We describe grass-dwelling spider fauna in 12 different habitats within the area of Lake Engure Nature Park.

Are more bogs better? Comparative studies into Transylvanian peat bog spider (Arachnida: Araneae) assemblages from a conservation biological perspective

The present study definitely showed the value of small bogs, which in fact showed greater species richness than the two larger area bogs and the effect of geographical distance and habitat interacted.

Wolf spiders (Araneae: Lycosidae) on the overgrowing peat bog in Dubravica (north-western Croatia)

The dominance structure and phenology of wolf spiders on the Dubravica bog was studied, and the lycosids habitat preferences and dominance structure according the habitat condition and species occurrences on some other European bogs are discussed.


Habitat ranges of ground-dwelling spiders were studied by pitfall trapping in and around a freshwater pond during the spring and summer of 1998 in central Alberta, Canada, and a new, more inclusive definition of semi-aquatic spiders was developed, based on knowledge about both male and female activity near the shore, and affinities towards soil moisture.

Mollusc communities in Bulgarian fens: predictive power of the environment, vegetation, and spatial structure in an isolated habitat

The results demonstrate the general role of mineral richness gradient for structuring mollusc communities in fens, the pivotal indicator role of plant species composition in predicting species composition of mollusk communities, despite being trophically independent and the effect of isolation and origins of the habitat on species composition.

Investigation of activity and vertical distribution of spiders in Sphagnum tussocks of peat bogs

The spider fauna of European peat bogs is under active investigation, but data on the activity and distribution of spiders in the hummock layer is very sparse. The optimal setting of traps for