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Diversity of galling arthropods and host plants in a subtropical forest of Porto Alegre, southern Brazil Neotropical Entomology
Dalbem,Ricardo V.; Mendonça Jr.,Milton de S..
Many hypotheses have been proposed to explain diversity patterns of galling insects. However, there are contradictory evidences on the evolutionary and ecological factors responsible for the trends. Furthermore, questions such as arthropod seasonality, sampling sufficiency and sampling team experience have been almost ignored. This study records galling arthropod diversity while paying attention to these questions. Seasonal sampling of galling arthropods and host plants were conducted in a humid subtropical forest of southern Brazil. Four transects were sampled twice per season, with two persons searching the vegetation for galls during 1h30min. After 96h.persons of sampling, 130 gall morphotypes on 84 species of host plants were recorded. An analysis of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Morphotype; Sampler; Environmental heterogeneity; Seasonality.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000500007
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Settlement performance evaluation of longitudinal settling basins - A case study on Golfaraj and Iry-Siah Rud pump stations, Iran CIGR Journal
Mahtabi, Ghorban; Hoseinzadeh Dalir, Ali; Fazelifard, Mohamad Hasan.
One of the most important elements of river intake is settling basins for water sediment removal. Settling basins play an important role in supplying appropriate water for irrigation networks and power plants. Therefore, it is necessary to design them carefully based on the local conditions. Our objectives were to determine the properties of sediments entering into the intake systems of two pump stations (Golfaraj and Iry-Siah Rud) by sampling the water suspended load in different points of the systems and to investigate the performance of settling basins in Iran. The suspended load samples were taken from sections before and after the settling basins at three depths of 0.2 y, 0.6 y, and 0.8 y (y is the depth of the cross section from the water surface)....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water engineering; Sediment hydraulic; Hydraulic strucure; River engineering Concentration; Intake; Sampler; Sediment diameter; Suspended load.
Ano: 2015 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3321
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