Results 81 to 90 of about 3,393 (189)

Ecology of the non-native snail Sinotaia cf quadrata (Caenogastropoda: Viviparidae). A study in a lowland stream of South America with different water qualities [PDF]

open access: yes, 2017
Sinotaia quadrata is a snail native from Asia recorded for the first time in South America in 2009 in central Argentina. In 2015, this species was also found in a lowland stream with different water qualities. Our aims were to contribute to the knowledge
Altieri, Paula Daniela   +5 more
core   +3 more sources

A revision of the new world species of Polytrichophora Cresson and Facitrichophora, new genus (Diptera, Ephydridae)

open access: yesZooKeys, 2012
The New World species of Polytrichophora Cresson and Fascitrichophora new genus, are revised. Fifteen new species are described (type locality in parenthesis): Fascitrishophora atrella sp. n. (Costa Rica.
Wayne Mathis, Tadeusz Zatwarnicki
doaj   +1 more source

Brief Note New Records of Ohio Shore Flies (Diptera: Ephydridae) [PDF]

open access: yes, 1978
Author Institution: Department of Zoology, Miami ...
Deonier, D. L., Regensburg, J. T.
core  

Selenium Biotransformations in an Engineered Aquatic Ecosystem for Bioremediation of Agricultural Wastewater via Brine Shrimp Production [PDF]

open access: yes, 2013
An engineered aquatic ecosystem was specifically designed to bioremediate selenium (Se), occurring as oxidized inorganic selenate from hypersalinized agricultural drainage water while producing brine shrimp enriched in organic Se and omega-3 and omega-6 ...
Bañuelos, Gary S.   +8 more
core   +1 more source

Mutualism of Stratiotes aloides L. (Hydrocharitaceae) and Hydrellia tarsata Haliday (Diptera: Ephydridae): Tritrophic interaction of macrophyte, leaf-mining dipteran pollinator and parasitoid Braconidae

open access: yesJournal of Pollination Ecology, 2015
The aquatic macrophyte Stratiotes aloides L. is of conservation concern in central Europe due to its high importance for biodiversity in lowland floodplain and ditch ecosystems.
Jakob Katzenberger, Dietmar Zacharias
doaj   +1 more source

Benthic and interstitial habitats of a lentic spring as invertebrate refuges during supra-seasonal drought [PDF]

open access: yes, 2013
Instream refuges are places where invertebrates persist during disturbances due to reduced adverse impacts. During droughts, low flows may be accompanied by elevated temperatures, and potential refuges including subsurface sediments and spring-fed ...
Stubbington, R, Wood, PJ
core   +1 more source

Do tissue carbon and nitrogen limit population growth of weevils introduced to control waterhyacinth at a site in the Sacramento-San Joaquin Delta, California? [PDF]

open access: yes, 2004
Waterhyacinth (Eichhornia crassipes(Mart.) Solms), is a serious problem in the Sacramento Delta. Two weevil species (Neochetina bruchi Hustache and N. eichhorniae Warner) have been introduced as biological control agents. The purpose of this study was
Ksander, Gregory G., Spencer, David F.
core  

Phylogeny and taxonomy of the shore-fly tribe Ephydrini with comments on related tribes in Ephydrinae (Diptera: Ephydridae) [PDF]

open access: yesZoologia (Curitiba)
Ephydrini comprises 118 species (plus seven nomina dubia species) that are distributed in all biogeographical regions except Antarctica. The tribe currently includes 13 genera, of which three (Calocoenia Mathis, Ephydra Fallén, Paracoenia Cresson ...
Wayne N. Mathis   +2 more
doaj   +1 more source

Species composition of shoreline wolf spider communities vary with salinity, but their diets vary with wrack inflow. [PDF]

open access: yesEcol Evol, 2022
Hambäck PA   +5 more
europepmc   +1 more source

Seasonal Changes in Chemical Composition of Eurasion Watermilfoil (Myriophyllum spicatum L.) and Water Temperature at Two Sites in northern California: implications for Herbivory [PDF]

open access: yes, 1999
We compared seasonal changes in Eurasian watermilfoil (Myriophyllum spicatum L.) characteristics and water temperature for a shallow poind in Davis, CA, and the Truckee River, near Tahoe City, CA. Tissue C and N were 15% lower in plants from the Truckee
Ksander, Gregory G., Spencer, David F.
core  

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