A Treatise on Limnology, The ZoobenthosThis detailed reference work focuses on benthic species, particularly those insects which were the author's special study. The book presents ideas, hypotheses and a synthesis that places facts in the larger context of ecological theory. |
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Page 262
... number of species remains about constant , though their taxonomic identities may vary . In this phase the variance is ideally half the mean , but if the intersecting curves giving extinction rate or immigration rate as a function of S ...
... number of species remains about constant , though their taxonomic identities may vary . In this phase the variance is ideally half the mean , but if the intersecting curves giving extinction rate or immigration rate as a function of S ...
Page 264
... number ( 2.5 ) of species 28 ( 70 % ) 10 ( 50 % ) 3 ( 25 % ) Less than mean number ( 2.5 ) of species 12 ( 30 % ) 10 ( 50 % ) 9 ( 75 % ) habitats in a dry year . No other environmental correlation can be found in McMillan's data ...
... number ( 2.5 ) of species 28 ( 70 % ) 10 ( 50 % ) 3 ( 25 % ) Less than mean number ( 2.5 ) of species 12 ( 30 % ) 10 ( 50 % ) 9 ( 75 % ) habitats in a dry year . No other environmental correlation can be found in McMillan's data ...
Page 394
... numbers , mainly from ditches in Vassbotn and possibly representing more than one species . In the lake proper the maximum number of nymphs was found in the shallowest sample , at 0.2 m , on the litholittoral or stony shore . Most of ...
... numbers , mainly from ditches in Vassbotn and possibly representing more than one species . In the lake proper the maximum number of nymphs was found in the shallowest sample , at 0.2 m , on the litholittoral or stony shore . Most of ...
Contents
Chapter | 1 |
ANIMAL HAPTOBENTHOS AND ITS ASSOCIATED FAUNA | 10 |
Sessile Rotifera | 43 |
Copyright | |
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abdomen adults Aeshna algae animals Anisoptera appear aquatic Baetis beetles behavior calcium Cenocorixa clearly color Corixa Corixidae detritus developed diapause distribution dragonflies ecology eggs elytra emergence Ephemeroptera Epitheca cynosura evidence fauna feeding female FIGURE freshwater gastropods genera genus gill growth habitat hatching Hemiptera Hesperocorixa Hexagenia Hungerford Hutchinson individuals insects instar known lacustrine lakes larvae lasion latter least legs less littoral living Lymnaea Macan male mayflies mayfly nymphs Micronecta molluscs molt niche North Notonecta number of species nymphal nymphs observed occur Odonata Opercularia organic oviposition oxygen P. S. Corbet percent peregra peritrichs Physa plants pond Popham population predators presumably prey probably produced prosobranchs pulmonates recorded respiration respiratory rheophil rotifers seems sessile shallow shell Sigara significant snails specimens stagnalis statoblasts streams stridulation strigil structure studied subfamily Subs suggests surface swarming swimming temperature terrestrial tion usually vegetation wings Zygoptera