Dry mass estimates of some tropical aquatic insects

Cressa, Claudia

dc.creator	Cressa, Claudia
dc.date	2015-05-04
dc.date.accessioned	2016-05-03T15:32:47Z
dc.date.available	2016-05-03T15:32:47Z
dc.identifier	http://revistas.ucr.ac.cr/index.php/rbt/article/view/19062
dc.identifier.uri	https://hdl.handle.net/10669/27338
dc.description	Relationships of body mass and head capsule width were developed for Thraulodes sp., Haplohyphes sp. (Ephemeroptera), Leptonema sp., Phylloicus sp. Nectopsyche sp. (Trichoptera), and Anacroneuria sp. (Plecoptera). The organisms were collected with a Surber net (0.1296 m2 and 0.286 mm mesh size) on the Orituco river, Venezuela. The number of specimens used in the analysis for the species studied, was different (from 84 to 103 specimens). Regression analysis indicated that all relationships were best expressed by a power function rather than by linear or exponential equation. Analyses of the relationships reveal interspecific differences among insects of the same order. Species-specific relationships are recommended to be used whenever possible since, depending on the species, the underestimation of mass could be as much as 56%.	en-US
dc.description	Relationships of body mass and head capsule width were developed for Thraulodes sp., Haplohyphes sp. (Ephemeroptera), Leptonema sp., Phylloicus sp. Nectopsyche sp. (Trichoptera), and Anacroneuria sp. (Plecoptera). The organisms were collected with a Surber net (0.1296 m2 and 0.286 mm mesh size) on the Orituco river, Venezuela. The number of specimens used in the analysis for the species studied, was different (from 84 to 103 specimens). Regression analysis indicated that all relationships were best expressed by a power function rather than by linear or exponential equation. Analyses of the relationships reveal interspecific differences among insects of the same order. Species-specific relationships are recommended to be used whenever possible since, depending on the species, the underestimation of mass could be as much as 56%.	es-ES
dc.format	application/pdf
dc.language	eng
dc.publisher	Universidad de Costa Rica	en-US
dc.rights	Copyright (c) 2015 International Journal of Tropical Biology and Conservation	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 47 (1-2) March 1999; 133-141	en-US
dc.source	Revista de Biología Tropical/International Journal of Tropical Biology and Conservation; Vol. 47 (1-2) March 1999; 133-141	es-ES
dc.source	Revista Biología Tropical; Vol. 47 (1-2) March 1999; 133-141	pt-PT
dc.source	2215-2075
dc.source	0034-7744
dc.subject	biomass	en-US
dc.subject	length-mass relationships	en-US
dc.subject	aquatic insects	en-US
dc.subject	tropics	en-US
dc.title	Dry mass estimates of some tropical aquatic insects	en-US
dc.title	Dry mass estimates of some tropical aquatic insects	es-ES
dc.type	artículo original

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