Records by time  
Hahniidae 0-19001901-19501951-20002001+
Hahnia helveola Hahnia helveola Simon, 1875 Almost threatened 73× 84×
Hahnia nava Hahnia nava (Blackwall, 1841) Not endangered 148× 104× 258×
Hahnia ononidum Hahnia ononidum Simon, 1875 Almost threatened 26× 14× 43×
Hahnia pusilla Hahnia pusilla C. L. Koch, 1841 Not endangered 335× 57× 402×

Bibliography

 © Oto Zimmermann

While the majority of the Central European landscape would be covered by forests without human influence, rocky areas form isolated, islet-like, natural, non-forest habitats. The surface of some of these non-forested areas is composed of bare bedrock or products of its erosional breakdown (without a soil layer) such as gravel, sand banks, sand dunes, scree slopes and rock outcrop habitats. These habitats harbour specialized  spider species that depend on their specific substratum and microclimate (Růžička 2000). Out of these habitats, rock walls (and scree slopes) form one of the most distinct ecological gradients of any terrestrial ecosystem (Larson et al. 1989, Růžička et al. 1995). They provide habitats with extremely warm and cold microclimatic conditions in close proximity. They also belong to habitats almost unknown until now due to the technical and practical problems of sampling.

Sandstones can form extensive systems of rocks, sometimes with a broad spectrum of meso- and microhabitats due to their very dynamic relief. Sandstone rocks are characterised by a marked contrast between forested plateau and bare vertical rock walls (Balatka and Sládek 1984). Upper margins of rocks are dry, vertical rock walls can be sun-exposed, dry and bare, or shady and humid and hence covered by mosses. Spaces with an extremely cold climate can occur in deep gorges. The aim of this study is to evaluate available data on the species composition of spider assemblages in sandstone rocks, including new data about spiders on rock walls in the Bohemian Switzerland (České Švýcarsko) National Park.



Gallery

Statistics

By month


By altitude


By collecting method (787 used records)
Zemní pastMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 29 19 3 34
Hahnia nava (Blackwall, 1841) 326 126 46 129
Hahnia ononidum Simon, 1875 17 3 0 11
Hahnia pusilla C. L. Koch, 1841 220 121 23 151
NeurčenoMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 8 37 0 16
Hahnia nava (Blackwall, 1841) 125 104 2 103
Hahnia ononidum Simon, 1875 11 22 3 15
Hahnia pusilla C. L. Koch, 1841 110 356 24 82
ProsevMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 5 40 0 22
Hahnia nava (Blackwall, 1841) 8 3 0 4
Hahnia ononidum Simon, 1875 11 10 0 13
Hahnia pusilla C. L. Koch, 1841 41 116 0 54
Individuální sběrMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 6 18 0 7
Hahnia nava (Blackwall, 1841) 13 13 0 16
Hahnia ononidum Simon, 1875 1 1 0 2
Hahnia pusilla C. L. Koch, 1841 23 48 1 38
EklektorMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 70 58 0 63
SmykMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 0 12 0 5
Hahnia nava (Blackwall, 1841) 0 2 0 4
Hahnia ononidum Simon, 1875 1 1 0 2
Hahnia pusilla C. L. Koch, 1841 13 41 0 12
SklepáváníMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 0 0 1
Hahnia pusilla C. L. Koch, 1841 6 1 0 2
VysavačMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 0 0 1
 MalesFemalesJuvenilesRecords

By biotope (787 used records)
NeurčenoMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 17 90 3 41
Hahnia nava (Blackwall, 1841) 182 168 47 139
Hahnia ononidum Simon, 1875 24 18 3 20
Hahnia pusilla C. L. Koch, 1841 165 395 45 121
Výsadby jehličnanůMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 2 3 0 3
Hahnia nava (Blackwall, 1841) 2 1 0 3
Hahnia ononidum Simon, 1875 0 1 0 1
Hahnia pusilla C. L. Koch, 1841 67 51 0 61
LesyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 4 0 0 2
Hahnia nava (Blackwall, 1841) 0 1 0 1
Hahnia ononidum Simon, 1875 3 2 0 3
Hahnia pusilla C. L. Koch, 1841 33 27 0 37
Stinné skály nižších polohMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 79 33 0 37
Suché loukyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 1
Hahnia nava (Blackwall, 1841) 28 18 0 24
Hahnia pusilla C. L. Koch, 1841 2 1 0 3
RašeliništěMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 14 0 5
Hahnia pusilla C. L. Koch, 1841 15 78 1 23
Acidofilní boryMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 4 0 5
Hahnia nava (Blackwall, 1841) 1 0 0 1
Hahnia ononidum Simon, 1875 0 2 0 2
Hahnia pusilla C. L. Koch, 1841 3 14 0 11
Suché doubravyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 0 1 0 1
Hahnia nava (Blackwall, 1841) 2 1 0 1
Hahnia ononidum Simon, 1875 5 9 0 5
Hahnia pusilla C. L. Koch, 1841 9 30 0 10
Skalní stepi na vápenciMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 16 14 1 11
Hahnia pusilla C. L. Koch, 1841 8 5 0 6
Bučiny nižších polohMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 3 2 0 4
Hahnia ononidum Simon, 1875 2 1 0 1
Hahnia pusilla C. L. Koch, 1841 4 10 0 10
Reliktní bory na skaláchMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 2 1 0 2
Hahnia pusilla C. L. Koch, 1841 3 13 0 12
Lesostepní doubravyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 2 1 0 2
Hahnia nava (Blackwall, 1841) 7 1 0 4
Hahnia pusilla C. L. Koch, 1841 5 5 0 7
Výsadby listnáčůMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 0 0 1
Hahnia ononidum Simon, 1875 1 1 0 1
Hahnia pusilla C. L. Koch, 1841 15 16 2 10
Suché křovinyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 2 2 0 4
Hahnia nava (Blackwall, 1841) 10 1 0 7
Hahnia pusilla C. L. Koch, 1841 1 0 0 1
Suťové a roklinové lesyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 6 6 0 4
Hahnia nava (Blackwall, 1841) 5 5 0 1
Hahnia ononidum Simon, 1875 0 1 0 1
Hahnia pusilla C. L. Koch, 1841 13 12 0 5
Lesní okrajeMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 1
Hahnia nava (Blackwall, 1841) 0 1 0 2
Hahnia pusilla C. L. Koch, 1841 8 14 0 7
Lužní lesy nížinMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 1
Hahnia pusilla C. L. Koch, 1841 23 15 0 9
Xerotermní travinobylinná společenstvaMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 2 0 0 2
Hahnia nava (Blackwall, 1841) 56 8 0 8
Lesy vyšších poloh a strmých svahůMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 0 0 2
Hahnia pusilla C. L. Koch, 1841 8 4 0 7
Kamenité suti nižších polohMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 2
Hahnia ononidum Simon, 1875 3 0 0 3
Hahnia pusilla C. L. Koch, 1841 3 0 0 3
Porosty borůvekMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 0 1 0 1
Hahnia nava (Blackwall, 1841) 5 0 0 4
Hahnia pusilla C. L. Koch, 1841 2 0 0 1
Přirozené lesyMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 1
Hahnia nava (Blackwall, 1841) 1 0 0 1
Hahnia ononidum Simon, 1875 0 1 0 3
Hahnia pusilla C. L. Koch, 1841 0 0 0 1
Mokré loukyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 3 0 0 3
Hahnia pusilla C. L. Koch, 1841 1 0 0 2
Okraje silnicMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 10 2 0 5
PastvinyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 15 9 0 3
Hahnia pusilla C. L. Koch, 1841 1 0 0 1
ÚhoryMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 1 0 0 1
Hahnia nava (Blackwall, 1841) 4 2 0 3
PasekyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 0 0 2
Hahnia pusilla C. L. Koch, 1841 1 5 0 2
Haldy a výsypkyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 0 0 0 4
Rákosiny a orobincové porosty stojatých vodMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 0 0 0 1
Hahnia pusilla C. L. Koch, 1841 0 2 0 2
Horské bučinyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 1 3 0 3
SlaniskaMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 5 1 0 3
JeskyněMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 0 1 0 2
Hahnia pusilla C. L. Koch, 1841 0 0 0 1
Mezofilní loukyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 2 0 3
KamenolomyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 1 0 2
Těžebny písku a jiných nezpevněných horninMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
Hahnia ononidum Simon, 1875 1 0 0 1
Vřesoviště nižších polohMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 2 3 0 2
RuderályMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 1 0 2
PísčinyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 1 0 2
Horské smrčinyMalesFemalesJuvenilesRecords
Hahnia ononidum Simon, 1875 1 1 0 1
Hahnia pusilla C. L. Koch, 1841 1 0 0 1
Mokřadní olšinyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 3 2 0 2
MočályMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
Hahnia pusilla C. L. Koch, 1841 2 2 0 1
Ostatní poleMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 104 3 0 2
Ovocné sady s luční vegetacíMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
Skalní a suťové biotopyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 1 3 0 1
Polní biotopyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 2 0 0 1
Skalní stepi na jiných hornináchMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
LoukyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 1 0 1
Ostřicové porosty stojatých vodMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 2 0 0 1
Břehy tekoucích vodMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
Suché lesní lemyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 0 1 0 1
Vlhké doubravyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 1 1 0 1
Skály a sutě v horáchMalesFemalesJuvenilesRecords
Hahnia ononidum Simon, 1875 1 0 0 1
Travnaté stepiMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 1 0 0 1
Rašelinné boryMalesFemalesJuvenilesRecords
Hahnia helveola Simon, 1875 0 1 0 1
Písčité břehyMalesFemalesJuvenilesRecords
Hahnia nava (Blackwall, 1841) 0 1 0 1
Louky a pastvinyMalesFemalesJuvenilesRecords
Hahnia pusilla C. L. Koch, 1841 1 0 0 1
 MalesFemalesJuvenilesRecords