Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 26 for “"Amphipoda"”.
-
Diversity of New Zealand Deep-sea Amphipoda
Biodiversity and the ecological and evolutionary processes which influence faunal distributions are poorly understood in deep-sea habitats. This thesis assesses diversity of deep-sea amphipod crustaceans at three taxonomic levels (family, species, genetic) on continental margins of New Zealand …
-
Espécies brasileiras do gênero Hyalella (Crustacea-Amphipoda)
… made of the species of Hyalella Smith (Crustacea-Amphipoda) based on material gathered at different points of the Brazilian territory, which is kept at the carcinological collection of the Museu Nacional, Rio de Janeiro. Six species were found, four of which (Hyalella azteca, H. pernix, H. …
-
The Gammaridean and Caprellid Amphipoda of Southern Africa
… the existing scattered data concerning the Amphipoda of southern Africa, to add records from unidentified collections and to present the whole in a form that will provide a firm basis for future work in this field. The collections examine d are principally those of the University of Cape …
-
Phylogeography and ecology of New Zealand freshwater Amphipoda (Paracalliope, Paraleptamphopus, and Phreatogammarus)
This thesis examines phylogenetic patterns in three New Zealand amphipod taxa in relation to current geographic distributions and historical climatic (e.g. glaciation, marine inundation) and geological (e.g. mountain building) events using DNA sequencing and distributional data. It also examines …
-
Identification and distribution of South Africa's non-native beachfleas (Crustacea: Amphipoda: Talitridae)
The two introduced beachfleas Orchestia gammarellus and Platorchestia platensis reported from South Africa have complicated histories, filled with misidentification and inaccurate documentation of distribution records. At the outset of this study, records of Orchestia gammarellus were restricted to …
-
Cinco espécies novas de Metharpiniinae (Amphipoda: Phoxocephalidae) no litoral do Rio de Janeiro
The family Phoxocephalidae comprises species inhabiting soft-bottoned surfaces. Although it is widely distributed throughout the world, such a family is poorly know on Brazilian coast. There are approximately 200 species, but only five have been registered in Ubatuha. São Paulo, BraziL namely. …
-
Ocorrência e distribuição da subordem Hyperiidea (Crustacea : Amphipoda) para o Oceano Atlântico Sul Ocidental (02. - 40.S)
Study of the occurrence and distribution of the species of suborder Hyperiidea found in the area between 02º and 40°S, thus filling a gap in the Western South Atlantic Ocean, with bore scant work on the group. The four collections selected, comprising the Northeastern, Center, Southeastern and …
-
Fauna de Amphipoda (Crustacea) associada à esponja Dysidea sp. em Arraial do Cabo, RJ - taxonomia e composição da comunidade
During the period between July 1993 and May 1994, 50 colonies of sponges Dysidea sp. were colected at Arraial do Cabo, Rio de Janeiro, Brazil. The amphipod fauna associated with these sponges was identified and quantified, resulting in a total of 4978 specimens included in 29 species. Two new …
-
Fauna de Gammaridea (Crustacea-Amphipoda) associada a ulva em trechos de litoral escarpado de Niterói e Angra dos Reis - RJ
Collections of gammaridean Amphipoda were made at rocky interdital sites from coastal regions of Municipios de Niterói and Angra dos Reis (Rio de Janeiro, Brazil). The samples were collected only in ulva Which were dug up from the upper mediolitoral of points of collections of Baia Guanabara …
-
Dinámica de invasión de los caprélidos (crustácea: amphipoda) introducidos en el Mar Mediterráneo y en aguas adyacentes. Distribución global, ecología y vectores de propagación.
Las invasiones biológicas en el medio marino son un componente fundamental del cambio global y una de las principales amenazas a la que se enfrentan mares y océanos de todo el mundo. Sin embargo, el conocimiento actual sobre las especies marinas introducidas (invasiones mediadas por el hombre) se …
-
A study of the Hyperiid Amphipoda in the waters off the east and south coasts of the Republic of South Africa in relation to prevailing hydrological conditions
… (i) To further the knowledge of the Hyperiid Amphipoda present in the waters off the east and south coasts of the Republic. (ii) To extend the knowledge. of the world geographic distribution of' hyperiids and clarify the position regarding the alleged cosmopolitan status and wide tolerances of …
-
Composition, Biomass, and Protein Content of a Lemna trisulca L., Invertebrate Community in a Prairie Wetland
… biomass and densities of specific invertebrates. Amphipoda, Pleidae, Cladocera, Copepoda, Ostracoda, and Hydrazoa were among the invertebrates found associated with star duckweed.
-
Untersuchungen zum Abbau partikulärer organischer Substanzen in einem Langsamsandfilter durch Metazoen am Beispiel von Niphargus fontanus
… daß Eschenblätter gerne von Niphargus fontanus (Amphipoda) und Chappuisius inopinus (Copepoda) gefressen werden. Diacyclops languidoides (Copepoda) und Bythiospeum septentrionale (Gastropoda) bevorzugten Detritus. Niphargus fontanus konsumierte zwischen 13,2 und 18,1 myg*d-1 TG. Die …
-
Sexual dimorphism, resource partitioning and intraspecific aggression in Caprella californica Stimpson
<p>The Caprellidae are a specialized suborder of Amphipoda, which are highly modified for a semisessile life. Caprellids exhibit direct development and brood their young. The suborder is exclusively marine and commonly found on filamentous algae, sea grasses and fouling communities. Most published …
-
Fathead Minnows, Aquatic Invertebrates, and Mallard Duckling Interactions in Man-Made Ponds
… age the ducklings used plant foods. Chaoboridae, Amphipoda, Cladocera, Copepoda, and total macroinvertebrate catch were negetatively affected by minnow presence . Fewer Chironomidae, Baetidae, Ceratopogonidae, and Coenagrionidae were caught in stocked cells, but numbers were not significantly …
-
Macroinvertebrate colonization and production in new experimental ponds
… periods. Non-insect taxa (oligochaeta, Nematoda, Amphipoda) were collected in relatively low numbers and then only late in the year. A total of 29 taxa were collected, 13 of which were present in all 12 ponds. Mean number of taxa, diversity, and evenness increased rapidly during the first 7 mo but …
-
Der Einfluss von hormonell wirksamen Umweltchemikalien auf die Populationsökologie von Gammarus fossarum
… und -dynamik von Gammarus fossarum (Amphipoda, Crustacea). Folgende Populationsvariablen wurden erfasst: Abundanz, Geschlechterverhältnis, Anteil von Juvenilen, Anteil brütender Weibchen, Fekundität, Körperlängen und Infektion mit Acanthocephalen. Erstmalig wurde Intersexualität bei …
-
The influence of sampling method on detecting benthic biodiversity patterns at the ecoregion scale on the South African west coast
… Decapoda and Gastropoda, whereas Polychaeta, Amphipoda and Bivalvia dominated infaunal communities. BTA found trawl samples to be dominated by epifauna exhibiting large sizes, dorso-ventrally flattened body forms, free-living and surface-crawling life habits, moderate mobility, predatory …
Page 1 of 2