Zobrazeno 1 - 10
of 24
pro vyhledávání: '"J A J Nel"'
Autor:
J A J Nel, H L Pettifer
Publikováno v:
African Zoology; Vol 12, No 2 (1977); 409-418
The comparative hoarding behaviour of four rodent species,Saccostomus campeslris, Desmodillus auricularis. Tatera brantsii and T. leucogaster was studied under semi-natural conditions after prior determination of the seed preferences of each species.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1991c4f9b363c75c9cd21c0a0bebdab1
https://www.ajol.info/index.php/az/article/view/151321
https://www.ajol.info/index.php/az/article/view/151321
Autor:
J. A. J. Nel
Publikováno v:
Zeitschrift für Tierpsychologie. 37:322-331
Studied the social structure of nine rodent species in a subdesert environment by means of direct observation and live- and snaptrapping. Six social groupings — asocial, solitary dispersed; social, solitary clustered; social, communal pair; social,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a134143207076aabf3d5c4a660baeac7
https://doi.org/10.1111/j.1439-0310.1975.tb00883.x
https://doi.org/10.1111/j.1439-0310.1975.tb00883.x
Autor:
O. B. Kok, J. A. J. Nel
Publikováno v:
Biological Journal of the Linnean Society. 83:527-538
Since the canids and felids diverged in the mid-Eocene or earlier, each family has developed a suite of morphological and behavioural adaptations for obtaining and consuming prey. We here distinguish between prey taxa captured and eaten as a result o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efef0dae5b295e08777cc9f10f9afca2
https://doi.org/10.1111/j.1095-8312.2004.00409.x
https://doi.org/10.1111/j.1095-8312.2004.00409.x
Publikováno v:
Water, Air, and Soil Pollution. 145:395-408
The uptake and distribution of lead (Pb) and cadmium (Cd) in thefreshwater crab, Potamonautes perlatus in the Eerste River,South Africa were studied seasonally over two years by comparingconcentrations in crabs, water and sediment in two localities,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3839ac3fa4a74bc5668407332c2bc935
https://doi.org/10.1023/a:1023602121272
https://doi.org/10.1023/a:1023602121272
Publikováno v:
African Zoology. 37:81-89
The uptake and distribution of copper in the freshwater crab Potamonautes perlatus in the Eerste River, South Africa, were studied seasonally by comparing copper concentrations in crabs, water and sediment at two localities, one upstream and one down
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae5693c64b0877a0ea9d120b840b2302
https://doi.org/10.1080/15627020.2002.11657158
https://doi.org/10.1080/15627020.2002.11657158
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 27, Iss 2, Pp 221-227 (1984)
Notes on relative densities, habitat choice, food and foraging, social organisation and anti-predatory behaviour of certain small and medium-sized carnivores are presented. Possible mechanisms of niche separation and the evolution of different anti-
Externí odkaz:
https://doaj.org/article/17be8fce793240be8c63c0a6d2affcc7
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 27, Iss 2, Pp 195-220 (1984)
The state of knowledge pertaining to the biology of small mammals occurring in the Kalahari Gemsbok National Park is reviewed with reference to completed and ongoing projects. Aspects of daily activity rhythms, habitat selection, diet, population flu
Externí odkaz:
https://doaj.org/article/281ddf665181450b876b90927ab6d802
Autor:
J. A. J. Nel
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 10, Iss 1, Pp 118-121 (1967)
Burrow systems of Desmodillus Auricularis in the Kalahari Gemsbok National Park
Externí odkaz:
https://doaj.org/article/8727a3fc61ca4e39a34bc36815d08202
Autor:
J. A. J. Nel, H. Nolte
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 8, Iss 1, Pp 75-81 (1965)
Notes on the prey of owls in the Kalahari Gemsbok National Park, with special reference to the small mammals
Externí odkaz:
https://doaj.org/article/0a1fd94b5ab84a67a6a4acc1b197baac
Autor:
J. A. J. Nel, J. J. L. Pretorius
Publikováno v:
Koedoe: African Protected Area Conservation and Science, Vol 14, Iss 1, Pp 99-110 (1971)
Collecting in April 1971 yielded 74 specimens of 16 species. Of these, seven species (Elephantulus rupestris, Lepus saxatilis, Pronolagus crassicaudatus, Graphiurus murinus, Aethomys namaquensis, Desmodillus auricularis and Gerbillurus paeba) are new
Externí odkaz:
https://doaj.org/article/4e320fac986d4164a337abd54a666c4b