An Annotated List of the Spiders (Arachnida: Araneida) Found in Fort Washington and Piscataway National Parks, Maryland PDF Download
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Author: Theodore W. Suman
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 64
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Book Description
Author: Theodore W. Suman
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 64
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Book Description
Author: Martin Hammond Muma
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 74
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Book Description
Author: Daniel T. Jennings
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 218
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Book Description
Author: Daniel T. Jennings
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 30
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Book Description
Author: Daniel T. Jennings
Publisher:
ISBN:
Category : Spiders
Languages : en
Pages : 204
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Book Description
Adult spiders (N = 6,979) of 19 families, 145 genera, and 302 species (including 4 unknown) were collected from diverse inland, coastal, and offshore habitats of Milbridge, a 6,290-ha minor civil division of the East Coastal BioPhysical Region. Spider species richness per family ranged from 1 (Titanoecidae and Pisauridae) to 89 (Linyphiidae); species richness per genus ranged from 1 to 13, with 88 genera represented by a single species. As expected, the collected taxa were distributed unequally between two basic foraging strategies: 10 families, 98 genera, and 179 species of web spinners; 9 families, 47 genera, and 123 species of hunters. Spider abundances varied widely among taxa; individuals per family ranged from 1 (Titanoecidae and Pisauridae) to 1,691(Lycosidae); individuals per species ranged from 1 (86 species) to 470. Pardosa moesta was the most frequently collected spider. Although total species composition favored web spinners over hunters, more hunters were collected than web spinners, and more female spiders were collected than male spiders, a pattern evident for both web spinners and hunters. Spider sex ratios varied widely among the collected species and were influenced by sampling method, habitat, and season. Pitfall traps yielded more species and more individuals than any other sampling method. Fully 47.0 percent of the inventoried fauna were method-unique species; most were taken by pitfall traps, searches, and sweep nets. Species-faunal compositions among habitats were generally distinct among habitats (QS [less than or equal to] 50.0), and included habitat-unique species.
Author: Kirill Glebovich Mikhaĭlov
Publisher:
ISBN: 9785873179336
Category : Spiders
Languages : en
Pages : 261
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Book Description
Author: Uttam Arjun Gajbe
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 140
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Book Description
Author: Jan Beccaloni
Publisher:
ISBN: 9780643096974
Category : Arachnida
Languages : en
Pages : 320
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Book Description
For many people, long-legged spiders, blood-sucking ticks and venomous scorpions are the stuff of nightmares, but to others they are a source of constant fascination. Arachnids dispels common myths and misconceptions to reveal the truth about these weird, wonderful and often beautiful creatures. The class of Arachnida does not consist of spiders alone but also contains ten other orders a harvestmen, ticks and mites, wind spiders, tailless whip spiders, whip spiders, scorpions, palpigrades, pseudoscorpions, schizomids and ricinuleids a nearly all of which have eight legs and two parts to their body. Discover the ritual 'dance' of scorpion courtship, the mite species which can be found living in monkey lungs, and the thoughtful spider that actually regurgitates food to feed its young.
