Results 91 to 100 of about 2,772 (199)

A Computer program for estimating population size by the removal method [PDF]

open access: yes, 1994
Es presenta un programa informàtic REMOVAL en llenguatge BASIC per a l'estimació de grandària poblacional mitjançant el mètode removal (mètode de captures successives per a poblacions tancades i esforç de mostreig constant), d'ús en un entorn VAX/VMS ...
García-Berthou, Emili
core  

MORPHOLOGY OF UROHYAL BONE AND ITS IMPORTANCE IN TAXONOMY OF SOME FRESHWATER FISHES OF IRAN

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2007
The urohyal bone is a single median solid bone with anterior tip generally connected to the ventral hypohyal and to the first basibranchial, and the posterior end attached to the pectoral girdle by means of muscle.
H. Esmaeili; A. Teimori
doaj  

Ichthyofaunal Diversification and Distribution in Jane\u27s Creek Watershed, Randolph County, Arkansas [PDF]

open access: yes, 1974
The purposes of this study were to determine the qualitative and quantitative distribution of fishes in the Jane\u27s Creek watershed. Jane\u27s Creek is a clear, spring-fed Ozark stream in northeastern Arkansas.
Fowler, Cheryl Lynn, Harp, George L.
core   +2 more sources

Aquatic ecology monitoring: water quality, fish, fish catch, sanitation and disease vectors: monitoring No. 5, 6th-9th October 2009 [PDF]

open access: yes, 2010
The survey covered by this report was undertaken between 6 th and 9th October 2009 as a follow-up on the during construction surveys of the Bujagali Hydropwer Project (BHPP).

core  

Karyological Analysis of Some Species of Aphanius (Osteichthyes: Cyprinodontidae) From Anatolia

open access: yes, 2014
In this study, chromosomal studies were carried out on four species of the genus Aphanius (Osteichthyes, Cyprinodontidae). Metaphase chromosomes were obtained from kidney cells. The diploid chromosome numbers of Aphanius anatoliae, A. danfordii, A. splendens and A.
Gaffaroglu, Muhammet   +3 more
openaire   +4 more sources

Alligator Diet in Relation to Alligator Mortality on Lake Griffin, FL [PDF]

open access: yes, 2007
Alligator mississippiensis (American Alligators) demonstrated low hatchrate success and increased adult mortality on Lake Griffin, FL, between 1998 and 2003.
Carbonneau, Dwayne A.   +4 more
core  

Variations in fish body and scale shape among Aphanius dispar (Cyprinodontidae) populations: insights from a geometric morphometric analysis

open access: yesCaspian Journal of Environmental Sciences, 2017
Phenotypic variations in fish body and scale shape were investigated among the three populations of Aphanius dispar (Rüppell, 1829) in Southern Iran through the use of landmark-based geometric morphometric analyses.
Khosravi, A.   +2 more
doaj  

Fish assemblages found in tidal-creek and seagrass habitats in the Suwannee River estuary [PDF]

open access: yes, 2006
Fish assemblages were investigated in tidal-creek and seagrass habitats in the Suwannee River estuary, Florida. A total of 91,571 fish representing 43 families were collected in monthly seine samples from January 1997 to December 1999.
Dehaven, Mark, Tuckey, Troy D.
core   +1 more source

Systematics of Beringian threespine sticklebacks [PDF]

open access: yes, 2000
Thesis (M.S.) University of Alaska Fairbanks, 2000In Pleistocene Beringia, large-scale glaciations exposed high latitude species to variable environmental conditions that created disjunct populations of terrestrial and marine species.
Chythlook, John S.
core  

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