Results 71 to 80 of about 19,149 (190)
Freshwater Macroinvertebrates [PDF]
, 2003 The purpose of this resource is to sample, identify, and count macroinvertebrates at a Hydrology Site. Students collect, sort, identify, and count macroinvertebrates from habitats at their site.
The GLOBE Program, UCAR (University Corporation for Atmospheric Research)
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The Malaise Trap: Its Utility and Potential for Sampling Insect Populations [PDF]
, 2017 Slightly over three decades have elapsed since Malaise (1937) first published plans for the insect trap now bearing his name a stationary mesh tent with open sides, a central baffle, and a top-mounted collecting apparatus (Fig. 1).
Matthews, Janice R., Matthews, Robert W.
core +3 more sources
Embryonic Membranes, Yolk Cells, and Morphogenesis of the Stonefly Pteronarcys Proteus Newman1, 2 (Plecoptera: Pteronarcidae) [PDF]
, 1940 Albert J. Miller
openalex +1 more source
Revista Brasileira de Ciências AmbientaisDetermining individuals’ dry mass is crucial for better understanding community structure in terrestrial and aquatic ecosystems. The establishment of size–mass relationships for different populations constitutes a helpful tool for indirectly determining ...
Felipe Silva das Chagas +4 more
doaj +1 more source
Final Report: Buffalo National River Ecosystems [PDF]
, 1975 The objective of this study was to sample the Buffalo River on a seasonal basis for a year, in order to determine whether any potential water quality problems ...
Babcock, R. E. +9 more
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PLoS ONE, 2015 Little work has been done on large-scale patterns of stream insect richness in China. We explored the influence of climatic and catchment-scale factors on stream insect (Ephemeroptera, Plecoptera, Trichoptera; EPT) richness across mid-latitude China.
Jonathan D Tonkin +6 more
doaj +1 more source
Evaluación de los efectos de la urbanización en los arroyos de Tierra del Fuego [PDF]
, 2017 We set out to understand how urbanization affects streams in Ushuaia, Tierra del Fuego. Paired ttestsand linear regressions were used to compare physico-chemical stream habitat variables (i.e., temperature,turbidity, conductivity, dissolved oxygen and pH)
Anderson, Christopher Brian +3 more
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„Trommeln” als Verständigungsmittel bei Steinfliegen (Plecoptera) [PDF]
, 1965 Rainer Rupprecht
openalex +1 more source
Endemic Flora and Fauna of Arkansas [PDF]
, 1982 Arkansas has an amazing diversity of plants and animals contained within its political boundaries. Forty-seven taxa are reported as Arkansas endemics, including seven plants, thirteen crustaceans (two amphipods, three isopods, eight crayfishes), nine ...
Robison, Henry W., Smith, Kenneth L.
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