Freshwater Invertebrate Biology最新文献

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Ecology and Life Histories of Three Net-Spinning Caddisfly Species (Hydropsychidae:Hydropsyche) in the Flathead River, Montana 蒙大拿州平头河三种织网球蝇的生态学和生活史(水蛉科:水蛉)
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.2307/1467138
F. Hauer, J. Stanford
{"title":"Ecology and Life Histories of Three Net-Spinning Caddisfly Species (Hydropsychidae:Hydropsyche) in the Flathead River, Montana","authors":"F. Hauer, J. Stanford","doi":"10.2307/1467138","DOIUrl":"https://doi.org/10.2307/1467138","url":null,"abstract":"Three species of the net spinning caddisfly genus Hydropsyche occur sympatrically in the Flathead River, Montana. Life histories, relative abundance, longitudinal distributions and microhabitats of H. cockerelli, H. oslari and H. occidentalis were investigated with particular reference to the role of temperature and organic and inorganic seston. Larvae of all three species occurred at all riverine (4th to 6th order) sampling sites except in the immediate tailwaters of Hungry Horse Dam. There were no apparent differences in longitudinal distribution between species and microhabitat differentiation was not observed. Frequently, retreats of different species were located beside that of another on the same rock or boulder. H. cockerelli and H. oslari were significantly (P < 0.05) more abundant than H. occidentalis at all sampling sites. H. cockerelli larvae grew primarily during late summer and early autumn while temperatures were > 7°C. Larvae overwintered in 5th instar and emerged as adults in mid-June. H. oslari larvae, although present in early instars during autumn, remained in early instars through the winter months and grew during spring. Adults emerged during late June and July. H. occidentalis larval appearance and growth occurred approximately six weeks behind H. cockerelli larvae. Thus, most growth occurred at temperatures < 7°C. We concluded that the delayed growth may have contributed directly, in terms of temperature response, to the infrequency of H. occidentalis larvae.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134437605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 32
The Phenomenon of Egg Mass Liquefaction in Nemotaulius hostilis (Hagen) (Trichoptera:Limnophilidae) Nemotaulius hostilis (Hagen) (毛翅目:嗜褐蝶科)的卵块液化现象
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.2307/1467142
S. B. Berté, G. Pritchard
{"title":"The Phenomenon of Egg Mass Liquefaction in Nemotaulius hostilis (Hagen) (Trichoptera:Limnophilidae)","authors":"S. B. Berté, G. Pritchard","doi":"10.2307/1467142","DOIUrl":"https://doi.org/10.2307/1467142","url":null,"abstract":"Experiments were conducted to determine why gelatinous egg masses of the caddisfly Nemotaulius hostilis (Hagen) liquefy upon emergence of first instar larvae. Larvae did not feed on the polysaccharide matrix and thus, consumption did not cause its liquefaction. Destruction of portions of the matrix by various mechanical means, including the simulation of larval movement by small pins moving under the influence of an oscillating magnetic field, did not result in liquefaction. End-attacking enzymes apparently did not cause degradation of the matrix either. We hypothesize that enzymes which attack the central portions of the polysaccharide chains are involved.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"224 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129723760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Range Extension of Barbidrilus paucisetus Loden and Locy (Oligochaeta:Enchytraeidae)
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.2307/1467143
Henry H. Seagle, M. Wetzel
{"title":"Range Extension of Barbidrilus paucisetus Loden and Locy (Oligochaeta:Enchytraeidae)","authors":"Henry H. Seagle, M. Wetzel","doi":"10.2307/1467143","DOIUrl":"https://doi.org/10.2307/1467143","url":null,"abstract":"Brarbidrilus paucisetus Loden and Locy (Oligochaeta: Enchytraeidae) was found in the Mississippi River, thus extending its range from the eastern United States to the Midwest. The species was found in substrates composed primarily of medium (1φ) and coarser (2φ) sand with 5% silt and clay.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121506269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Emergence Patterns and Size Variation of Odonata in a Thermal Reservoir 热储中蛙类的羽化模式及大小变化
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.2307/1467139
M. Cothran, J. Thorp
{"title":"Emergence Patterns and Size Variation of Odonata in a Thermal Reservoir","authors":"M. Cothran, J. Thorp","doi":"10.2307/1467139","DOIUrl":"https://doi.org/10.2307/1467139","url":null,"abstract":"Patterns of odonate emergence were examined seasonally in a reservoir receiving thermal effluents. Exuviae were routinely removed from the interior sides of vertebrate predator exclusion cages. Size, distribution, mean emergence date, and synchronization of emergence were determined for nine species at six stations along a thermal gradient (19.7 to 25.6°C). Mean emergence date varied significantly among species; the earlier emerging species were more synchronous. Temperature influenced the distribution of some of the species investigated. Most species had significant differences in emergence date among stations, and significant size differences among stations were found in three of the nine species. With the exception of the two earliest emerging species, the later in the year the emergence date, the smaller the individual emerging.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131727776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Passive Dispersal of Four Species of Freshwater Leeches (Hirudinoidea) by Ducks 四种淡水水蛭(水蛭总科)在鸭子中的被动扩散
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.2307/1467140
R. Davies, L. Linton, F. Wrona
{"title":"Passive Dispersal of Four Species of Freshwater Leeches (Hirudinoidea) by Ducks","authors":"R. Davies, L. Linton, F. Wrona","doi":"10.2307/1467140","DOIUrl":"https://doi.org/10.2307/1467140","url":null,"abstract":"The passive transfer by ducks of two parasitic sanguivorous species (Theromyzon rude and Placobdella papillifera) and two predatory species (Helobdella stagnalis and Nephelopsis obscura) of freshwater leeches was examined experimentally using both adults and cocoons. T. rude adults were transferred both in the nares, while feeding, and also on the duck's body. P. papillifera were transferred at a lower rate on the duck's body only, while H. stagnalis and N. obscura were not transported at all. Ingested adults were not recovered from the faeces of the ducks, but viable N. obscura cocoons were recovered from the faeces of fed ducks. It is concluded that passive transport by birds is probable for the parasitic sanguivorous species and those leeches which attach their cocoons to macrophytes. The evidence does not support the proposal of passive dispersal by ducks for H. stagnalis, a predatory Glossiphoniidae, despite its cosmopolitan distribution.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132250406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 40
Back Matter 回到问题
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.1086/fresinvebiol.1.4.1467144
{"title":"Back Matter","authors":"","doi":"10.1086/fresinvebiol.1.4.1467144","DOIUrl":"https://doi.org/10.1086/fresinvebiol.1.4.1467144","url":null,"abstract":"","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125721192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comment 评论
Freshwater Invertebrate Biology Pub Date : 1982-11-01 DOI: 10.1086/fresinvebiol.1.4.1467136
J. Kaster
{"title":"Comment","authors":"J. Kaster","doi":"10.1086/fresinvebiol.1.4.1467136","DOIUrl":"https://doi.org/10.1086/fresinvebiol.1.4.1467136","url":null,"abstract":"","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126666630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Life History and Ecology of Hesperophylax occidentalis (Banks) (Trichoptera: Limnephilidae) from Three Springs in the Piceance Basin, Colorado 美国科罗拉多州皮森斯盆地三泉地区西橘叶蕨的生活史和生态学研究(毛翅目:柳蝇科)
Freshwater Invertebrate Biology Pub Date : 1982-08-01 DOI: 10.2307/3259435
Robert J. Martinson, J. Ward
{"title":"Life History and Ecology of Hesperophylax occidentalis (Banks) (Trichoptera: Limnephilidae) from Three Springs in the Piceance Basin, Colorado","authors":"Robert J. Martinson, J. Ward","doi":"10.2307/3259435","DOIUrl":"https://doi.org/10.2307/3259435","url":null,"abstract":"The limnephilid caddisfly Hesperophylax occidentalis was collected from July 1978 through June 1979 from spring sources in the Piceance Basin, Colorado. H. occidentalis preferred the spring habitats to area streams downstream from spring sources. H. occidentalis exhibited a univoltine life cycle with extended emergence (April-October) and hatching (June-December) periods. Growth occurred mainly during autumn or winter depending on the time of egg laying. Gut analyses and laboratory observations showed that H. occidentalis can obtain food by several methods and will consume the most available food item.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129382845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
An Index of Food Limitation in the Field for the Larval Dragonfly Anax junius (Odonata: Aeshnidae) 蜻蜓幼虫野外摄食限制指数研究(蜻蜓目:蜻蜓科)
Freshwater Invertebrate Biology Pub Date : 1982-08-01 DOI: 10.2307/3259433
T. Folsom, N. Collins
{"title":"An Index of Food Limitation in the Field for the Larval Dragonfly Anax junius (Odonata: Aeshnidae)","authors":"T. Folsom, N. Collins","doi":"10.2307/3259433","DOIUrl":"https://doi.org/10.2307/3259433","url":null,"abstract":"The fecal pellet mass of larval Anax junius of a given size is closely correlated with food intake. The fecal pellet mass under ad libitum feeding can be predicted from a knowledge of larval size, and the accuracy of the predictions is not sensitive to wide variation in the diurnal schedule of feeding, water temperature between 15 and 25°, and dietary composition. Comparisons of masses of fecal pellets produced by field collected larvae with predicted masses for ad libitum feeding should, therefore, be a measure of the degree of food limitation in the field.","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123560976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Back Matter 回到问题
Freshwater Invertebrate Biology Pub Date : 1982-08-01 DOI: 10.1086/fresinvebiol.1.3.3259437
{"title":"Back Matter","authors":"","doi":"10.1086/fresinvebiol.1.3.3259437","DOIUrl":"https://doi.org/10.1086/fresinvebiol.1.3.3259437","url":null,"abstract":"","PeriodicalId":154110,"journal":{"name":"Freshwater Invertebrate Biology","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1982-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125028012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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