Search
Now showing items 21-30 of 128
Parasites As Biological Tags In Population Studies Of Marine Organisms
(
Qatar University
, 1999 , Article)
Parasites have been used to identify and trace the migrations of different intraspecific populations of commercially important marine fish since 1939, Literature research shows how the numbers of publications involving ...
A List of Marine Algae from Seashores of Iran (Hormozgan Province)
(
Qatar University
, 1999 , Article)
Seashores of Hromzgan province in south of Iran were studied for collection and recogna-tion of algal flora (1991-1996). 150 species of marine algae were recognized, including 36 Chlorophyta (16 new). 33 Phaeophyta (15 ...
Effects of gamma radiation on the activity of the, mosquito culex pipiens L. : I. Effects on the attraction of the mosquito to light, colours and host
(
Qatar University
, 1988 , Article)
The present work was carried out to investigate the effects of gamma radiation at three doses: 40, 80 and 120 Gray. On the response of the adult mosquito Culex pipieas complex when irradiated in the larval, pupal or adult ...
Neurosecretory Cells In Certain Earthworms Species (Oligochaete)
(
Qatar University
, 1987 , Article)
Typical Neurosecretory cells of the cerebral ganglion were studied in three oligochaete families: A. porrectodea caliginosa, Dendrodrilus rubidus: (Lumbricidae)';
Amynchas corticis : (Megascolidae); Dichogaster bolaui: ...
Helminth parasites of fishes from the arabian gulf 3. On pseudoplagiopobus microrchis, yamaguti, 1942 (digenea: opecoelidae)
(
Qatar University
, 1987 , Article)
The trematode genus Pseudoplagioporus Yamaguti, 1938 is briefly reviewed. P. microrchis Yamaguti, 1942 is redescribed from Lethrinus lentjan and L. nebulosus caught from Qatari waters in the Arabian Gulf. This is the first ...
Review of the genus polymorphus luhe, 1911 (acanthocephala:polymorphidae), with the synonymization of hexaglandula petrochenko, 1950, and subcorynosoma hoklova, 1967, and a key to the species
(
Qatar University
, 1992 , Article)
The position, concept and composition of the genus Polymorphus (= Profilicollis Meyer, 1931; Falsifilicollis Webster, 1948; Parafincollis Petrochenko, 1950; Subfilicollis Hoklova, 1967) are critically evaluated and a new ...
Tail Fracture Planes of Autotomy in Geckos
(
Qatar University
, 1993 , Article)
The structure of the tail facture planes was morphologically and histologically studied in two species of geckoid lizards, living in Qatar, Cyrtodactylus scaber and Bunopus tuberculatus. The fracture plane is formed of a ...
A Preliminary List Of The Insect Fauna Of Qatar
(
Qatar University
, 1985 , Article)
The present paper give a preliminary account of the entomofauna of Qatar. It has a complex composition, the species are a heterogenous group with diverse distribution patterns.
The account does not lay to completeness. ...
Influence of the cowpea weevil, callosobruchus maculatus f., and the saw - toothed grin beetls, oryzaephilus surinamensis L. On the moisture content and mould growth in stored grains
(
Qatar University
, 1986 , Article)
Presence of the cowpea weevil, Callosobruchus maculatus F., and the saw-toothed grain beetle, Orvxaephilus surinamensis L., and their propagation in cowpea and wheat, resulted in raising the moisture content of infested ...
New Records Of Some Mammals From Qatar: Insectivora, Lagomorpha And Rodentia
(
Qatar University
, 1984 , Article)
The present report deals with six native mammalian species to be recorded for the first time from Qatar. They belong to the following orders: Insectivora, Lagomorpha and Rodentia. None of these species is endemic to Qatar.