Results 101 to 110 of about 126,036 (221)

Diet composition of fish species from the southern continental shelf of Colombia [PDF]

open access: yes, 2002
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core  

Biodiversity of macrozoobenthos in a large river, the Austrian Danube, including quantitative studies in a free-flowing stretch below Vienna: a short review [PDF]

open access: yes, 2005
The Danube is ca. 2850 km in length and is the second largest river in Europe. The Austrian part of the Danube falls 156 metres in altitude over its 351 km length and, since the early 1950s, the river has been developed into a power-generating waterway ...
Fesl, Christian, Humpesch, Uwe
core  

MACROINVERTEBRATES COMPOSITION IN THE BLIZNEC STREAM, SECOND AND THIRD MAKSIMIR LAKE [PDF]

open access: yesCroatian Journal of Fisheries, 2004
Qualitative and quantitative macroinvertebrates in spring period was investigated during two years in the first and second Maksimir Lake and Bliznec stream. The domination of Gastropoda was outstanding at these three investigated sites. From time to time
Marina Piria   +2 more
doaj  

THE CLASSIFICATION OF MALACOSTRACA – A RESPONSE TO SCHRAM & KOENEMANN (2021)

open access: yesTravaux de l'Institut de Speologie Emile Racovitza
The classification of Malacostraca as presented by Schram & Koenemann (2021) is compared with the classification argued by Tabacaru & Danielopol (2011, 2012) and a new framework of the Malacostraca phylogeny and systematics is emphasized.
IONEL TABACARU, ANDREI GIURGINCA
doaj   +1 more source

A new caridean shrimp fossil with exceptionally preserved organs from the Middle Jurassic of La Voulte-sur-Rhône, France

open access: yesActa Palaeontologica Polonica
We used propagation phase contrast synchrotron X-ray micro-computed tomography (PPC-SRμCT) on an exceptionally preserved fossil caridean from the Callovian of the La Voulte-sur-Rhône Konservat-Lagerstätte.
Flavien Lagrange   +6 more
doaj   +1 more source

Influence of human pressures on large river structure and function [PDF]

open access: yes, 2009
A large river study was conducted as part of the Cross Departmental Research Pool (CDRP) ecological integrity project to (i) provide an overview of the macroinvertebrate faunas of large rivers, including those in deep-water habitats, and (ii) to ...
Clapcott, Joanne E.   +2 more
core   +1 more source

Especie nueva de Eusiroides (Amphipoda: Calliopioidea: Pontogeneiidae) del golfo de México

open access: yesNovitates Caribaea
Se describe una especie nueva de anfípodo de aguas profundas pertenecientes al género Eusiroides. El material estudiado fue colectado en localidades del golfo de México y el estrecho de la Florida por el B/I Gerda de la Universidad de Miami, en 1963.
Carlos Varela, Manuel Ortiz
doaj   +1 more source

Crustacea

open access: yesRecords of the Zoological Survey of India, 1907
No Abstract.
openaire   +1 more source

Snapping shrimps of the genus Alpheus Fabricius, 1798 from Brazil (Caridea: Alpheidae): updated checklist and key for identification

open access: yesNauplius
We provide an updated checklist of the snapping shrimps of the genus Alpheus Fabricius, 1798 (Crustacea: Alpheidae) from the Brazilian coast, as well as a key for their identification.
Guidomar Oliveira Soledade   +1 more
doaj  

Incongruent phylogenetic hypotheses and character conflicts in morphology : the root and early branches of the hexapodan tree [PDF]

open access: yes, 2008
Before the turn of the millenium the investigation of phylogenetic relationships was revolutionized by two major inputs, the use of molecular sequence data for phylogenetic reconstruction, paralleled by the sophistication of computer aided reconstruction
Pass, Günther, Szucsich, Nikolaus Urban
core  

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