Iskanje po katalogu digitalne knjižnice

Opis: Twenty-nine species of insectivores and rodents are known to occur in Central Dalmatia, southwestern Bosnia and western Herzegovina: Erinaceus concolor, Sorex minutus, S. araneus, S. alpinus, Neomys fodiens, N. anomalus, Suncus etruscus, Crocidura suaveolens, C. leucodon, Talpa europaea, Clethrionomys glareolus, Dinaromys bogdanovi, Arvicola terrestris, Pitymys subterraneus, P. liechtensteini, Chionomys nivalis, Microtus arvalis, Nannospalax monticola, Apodemus mystacinus, A. flavicollis, A. sylvaticus, Rattus rattus, R. norvegicus, Mus domesticus, M. musculus, Glis glis, Elimys quercinus, Dryomys nitedula, and Muscardinus avellanarius. The distribution in the study area of each of these is discussed and mapped. Available ecological data are compiled and discussed. Zoogeographic relations are discussed. Special attention is paid to small mammal communities from karstic fields.
Ključne besede: sesalci, žužkojedi, glodalci, zoologija, Jugoslavija, Mammals, Rodents, Insectivores, zoology, Yugoslavia
Objavljeno v DKUM: 30.12.2015; Ogledov: 1904; Prenosov: 116
Povezava na celotno besedilo

Opis: In the present paper, further findings of harvestmen in the Sub Mediterranean region of Slovenia are presented, and comments on some actual problems with the species are added. With the exception of the possible discovery of a troglobitic species in the region, all species living there have presumptively been recorded. With the exclusion of Trogulus gr. nepaeformis and T. gr. tricarinatus, where more species are expected, 34 species and one subspecies have been found in the region. About 20 opilionid species are typical of the region; the others occur in the marginal habitats bordering other zoogeographical regions.
Ključne besede: zoologija, biogeografija, pajkovci, suhe južine, Opiliones, Arachnida, suhe južine, Slovenija, submediteran, zoology, biogeography, Opiliones, arachnids, harvestmen, Slovenia, Sub Mediterranean
Objavljeno v DKUM: 10.07.2015; Ogledov: 2205; Prenosov: 51
Povezava na celotno besedilo

Opis: The occurrence of the wormlion species Vermileo vermileo (Linneeus, 1758) is confirmed for the Mediterranean region of Slovenia and Croatia. Its predatory larvae were found in substrates consisting of fine sand or powder, where they construct pitfall traps similar to those of antlions. Wormlion larvae were reared in laboratory to study their biology.
Ključne besede: zoologija, dvokrilci, volkci, črvasti volkec, Vermileo, Slovenija, Hrvaška, zoology, Diptera, wormlions, Vermileo, Slovenia, Croatia
Objavljeno v DKUM: 10.07.2015; Ogledov: 1656; Prenosov: 31
Povezava na celotno besedilo

Opis: Morphology and behaviour of third instar larvae of the Holomediterranean antlion species Myrmecaelurus trigrammus (Pallas) are described. Larvae are facultative pit-builders, they either ambush their prey at the surface, or dig pitfall traps that prey fall in to. Dark brown spots on dorsal and ventral sides of the head and on dorsal side of the thorax are charac-teristic of the larvae. Eye tubercles are not prominent. Jaws are equipped with long bristles, campaniform sensilla, sensilla coeloconica, and digitiform sensilla. A unique feature is the shape of the tips of all three teeth that is screw-like with a polyhedral surface. The body surface is covered with longitudinally grooved bristles and plumose hairs. On the tip of the antennae and on terminal and subterminal parts of labial palps sensilla basiconica occur. On the 9th abdominal segment there are two bulges, each of them bearing four digging bristles. Non-prominent eye tubercles and numerous mandibular bristles are morphological traits of pit-builders. Most of the behavioural traits are related to pit builders, whereas forward movement, waiting for prey without a pit and frequent changing of ambush location are traits of non-pit builders.
Ključne besede: zoologija, volkci, morfologija, Neuroptera, zoology, antlions, morphology, Neuroptera
Objavljeno v DKUM: 10.07.2015; Ogledov: 1831; Prenosov: 103
Povezava na celotno besedilo

Opis: In this case study we present an application of different analytical electron microscopic methods in biology, to elucidate their usefulness in such investigations. Using analytical electron microscopy, spherites in the digestive gland cells of the helicid snail Chilostoma lefeburiana were examined at three stages: just before the non-feeding period of over-wintering in November, in the middle of over-wintering in February and at its end in March. A detailed characterization of changes in the elemental composition of the spherites was characterized by a combination of transmission electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDXS), electron energy-loss spectroscopy (EELS) and energy filtering TEM (EFTEM). During over-wintering, the spherites passed the following changes. Before over-wintering in November, they consisted of striking concentric layers of electron-dense and electron-lucent zones, while in February and March they showed clear empty zones between materials of different electron density. In November spherites, C, O, Ca, P, Cl, Fe, Si, Na, K, Mg and S were detected, whereas in February ones C, O, N, Cl, Si and S were found and only C, O, N, Si and Cl were detected in March spherites. It is suggested that the elements missing in February and March were used in different physiological processes during over-wintering, like (1) the maintenance of the appropriate elemental composition of the internal environment, (2) accumulation of non-toxic waste materials that cannot be metabolized and (3) avoiding potential intoxication by contamination with toxic metals.
Ključne besede: zoology, Chilostoma lefeburiana, snails, digestive gland, over-wintering, spherites, elemental analyses, environmental pollution, chemical structures
Objavljeno v DKUM: 07.06.2012; Ogledov: 1908; Prenosov: 95
Povezava na celotno besedilo