Results 21 to 30 of about 20,724 (98)

Boosted Beta regression. [PDF]

open access: yes, 2013
Regression analysis with a bounded outcome is a common problem in applied statistics. Typical examples include regression models for percentage outcomes and the analysis of ratings that are measured on a bounded scale.
Fenske, Nora   +5 more
core   +8 more sources

A new family, Coryphoridae (Ephemeroptera: Ephemerelloidea), and description of the winged and egg stages of Coryphorus [PDF]

open access: yes, 2001
A new family Coryphoridae is proposed in the superfamily Ephemerelloidea for the monotypic genus Coryphorus. Characters that distinguish Coryphoridae from all other Ephemerelloidea are discussed.
del Carmen Zuniga de Cardoso, Maria   +2 more
core  

New and Additional Distribution Records for Several Rare Mayflies (Ephemeroptera) in Wisconsin [PDF]

open access: yes, 2017
One nymph and one exuviae of Acanthametropus pecatonica were collected in June 1991 from the Black River and Chippewa River, respectively. These specimens extend the known range of this rare species in Wisconsin to three large Mississippi River ...
Lillie, Richard A
core   +2 more sources

The communities of running water in Cumbria [PDF]

open access: yes, 1976
For conservations of nature to be effective. there must be an understanding of what is present to be conserved. Thus in order to conserve the communites of the Cumbrian rivers, there must first be surveys to determine the spp present and their relative ...
Macan, T.T.
core  

\u3ci\u3eHexagenia Bilineata\u3c/i\u3e (Ephemeroptera: Ephemeridae) Persists at Low Levels of Abundance in the Lower Fox River, Wisconsin [PDF]

open access: yes, 2018
After burrowing mayflies (Hexagenia bilineata) were first noted in the vicinity of the DePere Dam on the Fox River in 1991, adults have been observed in small numbers each summer since then.
Cochran, Phillip A, Kinziger, Andrew P
core   +2 more sources

The Ability of Specific-wavelength LED Lights to Attract Night-flying Insects [PDF]

open access: yes, 2018
This paper describes a portable collecting light, designed by the authors, that weighs 0.3 kg, is powered by 8 AA batteries, and uses 9 light-emitting diodes (LEDs) to attract night-flying insects.
Houghton, David, Zemel, Ryan S
core   +3 more sources

The Return of \u3ci\u3eHexagenia\u3c/i\u3e (Ephemeroptera: Ephemeridae) to the Lower Fox River, Wisconsin [PDF]

open access: yes, 2017
Burrowing mayflies (Hexagenia bilineata) were collected in 1991 in the vicinity of the DePere dam on the Fox River, Brown County, Wisconsin. Because Hexagenia mayflies are indicators of good water quality, their emergence from the Fox River is evidence ...
Cochran, Phillip A
core   +2 more sources

Type-Species Designation for the Jurassic Mayfly Genus \u3ci\u3eMesephemera\u3c/i\u3e (Ephemeroptera: Mesephemeridae) [PDF]

open access: yes, 2017
(excerpt) Among the many new genera established by Anton Handlirsch in his monumental work Die .fossilen Insekten und die Phylogenie der rezenten Fortnen: Ein Handbuch fur Palaontologen und Zoologen (Wilhelm Engelman, Leipzig, 1906-1908) was a genus of
Hubbard, Michael D
core   +2 more sources

Los estados adultos de Nanomis y Spiritiops (Ephemeroptera: Baetidae) [PDF]

open access: yes, 2008
The adult stages of Nanomis Lugo-Ortiz & McCafferty and Spiritiops Lugo-Ortiz & McCafferty are described for the first time based on reared material from Argentina and Brazil, respectively.
Nieto Peñalver, María Carolina   +1 more
core  

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