Wyniki wyszukiwania

1

Density and habitat requirements of introduced Eastern cottontail Sylvilagus floridanus in northern Italy

100%

Vidus R. A., Meriggi A., Serrano Perez S.

Acta Theriologica

|

2010

|

tom 55

|

nr 2

139-151

Following the introductions carried out in late 1960s, Eastern cottontail Sylvilagus floridanus Allen, 1890 rapidly colonized the Po Plain (northern Italy), following the Po River and its tributaries. We monitored a cottontail population using the line-transect method from autumn 2005 to spring 2009 in a 8.2-km2 study area located along the Po River, and we investigated species habitat requirements by assessing the presence/absence of faecal pellets in 200 randomly distributed plots from September 2006 to August 2007 and by Resource Selection Probability Function through logistic regression analyses and multi-model inference. The cottontail population varied dramatically over time in size, with a great drop at the end of the breeding period. Cottontails selected foraging habitats at the macro- and micro-scales, with some differences among seasons. Two macro-habitat variables differed significantly between used and unused plots through seasons: arboriculture stands were always greater in presence plots, whereas winter cereals were always greater in absence ones. On the macro-level, woody and herbaceous habitats, such as fallow fields, characterized presence plots. At the micro-habitat level, presence plots were associated with permanent dense cover except during summer. Several logistic regression models were built through seasons and ranked using the Akaike’s Information Criterion. Arboriculture stands enhanced cottontail presence mostly during the growing season contrary to crop fields. Hedgerows were used according to availability during feeding activity. Cottontail habitat selection varied according to seasonal changes in resource availability and suitability of the different habitat types.

2

The effect of scale-dependent habitat gradients on the structure of bird assemblages in the Czech Republic

100%

Reif J., Storch D., Simova I.

Acta Ornithologica

|

2008

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tom 43

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nr 2

197-206

Spatial patterns in bird community structure are closely related to changes in habitat composition at small spatial scales, but the explanatory power of habitat declines towards larger scales, where dispersal limitations and historical factors becoming more important. To disentangle these effects, we performed a large-scale bird census using a small-scale field approach in the Czech Republic. Using canonical correspondence analysis, we found that the strongest scale-independent gradient in bird community composition goes from higher-altitude forest assemblages to lower-altitude farmland and human settlement assemblages. The other gradients were also scale-dependent, probably due to the different distributional patterns of particular habitats at the respective scales. Closer examination of bird occurrence in particular habitats revealed that water bodies host the most distinct bird assemblage compared to the assemblages of other habitats. Interestingly, although the census tracked the most important east-west biogeographical gradient within the Czech bird fauna, we did not find longitude to be a significant predictor of changes in bird community structure along the transect at any resolution. We suggest that the biogeographical gradient is actually related to the habitat-based distinction between the coniferous-forested higher-altitude West and the deciduous-forested lower-altitude agricultural East. Fine-scale bird-habitat associations are thus responsible for the patterns of community structure at all spatial scales.

3

Habitat requirements of Eurasian pine marten Martes martes in a Mediterranean environment

100%

Lombardini M., Cinerari C. E., Murru M., Vidus Rosin A., Mazzoleni L., Meriggi A.

Acta Theriologica

|

2015

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tom 60

|

nr 2

Evaluating presence and habitat requirements of small carnivores is essential for their conservation. The Eurasian pine marten Martes martes, often described as a habitat specialist associated primarily with forest habitats, has been recently found to live even in patchily wooded country and in shrublands. We evaluated the environmental factors that determine the distribution of the pine marten in a Mediterranean landscape on the island of Sardinia (central Italy). Camera trapping sessions and scat surveys were carried out to assess the presence of the species, then a potential distribution model was developed using ecological niche factor analysis (ENFA), which requires only presence data. The pine marten selected highest altitudes, shrublands, rocky areas, and woodlands, and avoided urban areas and arable lands. Our results indicate that pine marten distribution in our study area is constrained by these variables. The ENFA analysis provided important clues about the distribution range of M. martes and its preferential environmental conditions, updating knowledge of its ecological requirements in Italy.

4

Substratum preferences and diel activity patterns of spined loach Cobitis taenia in England: implications for conservation management

100%

Culling M. A., Lozano Valero I., Cote I. M.

Folia Biologica

|

2003

|

tom 51

|

nr Suppl.

5

Orobanche bartlingii Griseb. (Orobanchaceae) in Poland: taxonomical position, distribution and habitat requirements

84%

Piwowarczyk R., Nobis M., Przemyski A.

Biodiversity: Research and Conservation

|

2009

|

tom 13

6

Water and rush plant communities in the Warta River oxbows: biodiversity and habitat requirements

84%

Nagengast B., Joniak T., Kuczynska-Kippen N.

Teka Komisji Ochrony i Kształtowania Środowiska Przyrodniczego

|

2013

|

tom 10

7

Co-occurrence of two stoneworts of reverse ecological spectra in the same lake ecosystem. Habitat requirements of Chara delicatula Agardh and Chara globularis Thuillier in the context of bioindication

84%

Pelechaty M., Pukacz A., Pelechata A.

Polish Journal of Environmental Studies

|

2004

|

tom 13

|

nr 5

Regarding their distribution in lakes, Chara delicatula and Chara globularis are considered species of different or even opposite ecological requirements. C. delicatula is usually reported from oligotrophic lakes, but C. globularis from more fertile ones. Within Poland, both species rarely build extensive stands in the same ecosystem. The present study was carried out in a stratified, mid-forest lake in midwestern Poland where C. delicatula had not been found earlier. Based on the physical-chemical properties and analyses of phytoplankton, a transitional, meso-eutrophic status of the lake was stated. In the group of 15 more frequent macrophyte species, C. delicatula and C. globularis were among plants predominating the lake’s macrovegetation. Both stoneworts built separate patches as well as contributed to other macrophyte assemblages. Growing under the same light and trophic conditions, the species revealed differences in ecological optima in relation to the depth of occurrence and bottom slope. The results are discussed in the context of the species identity: are C. delicatula and C. globularis separate species or forms within the same taxon?

8

Two new species and new records of the North Korean Gabrius Stephens, 1829 [Coleoptera: Staphylinidae]

84%

Pasnik G.

Polskie Pismo Entomologiczne

|

2000

|

tom 69

|

nr 3

9

Festulolium - nowy gatunek trawy pastewnej

67%

Borowiecki J., Staniak M.

Agrochemia

|

2003

|

nr 06

30-32

10

Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik

Distribution patterns, floristic structure and habitat requirements of the alpine river plant community Stuckenietum amblyphyllae ass. nova (Potametea) in the Pamir Alai Mountains (Tajikistan)

67%

Nowak A. S., Nobis M.

Acta Societatis Botanicorum Poloniae

|

2012

|

tom 81

|

nr 2

This paper discusses the floristic structure, distribution and habitat requirements of a new aquatic syntaxon, Stuckenietum amblyphyllae ass. nova. Patches of the Stuckenietum amblyphyllae association occur in the Pamir Alai Mountains in Middle Asia (Tajikistan). The biotope of this community represent high mountain rivers and ponds at the bottom of glacial river valleys situated at elevations between 1900 and 3800 m. Patches of the Stuckenietum amblyphyllae association are characterised by a clear predominance of the typical species, i.e. Stuckenia amblyphylla, which occupies an aerial extent of between near 40 up to 90% of the surface studied. Patches of the community are poor in species, comprising a maximum of five taxa. Among associated species mainly rush, aquatic, meadow and marsh taxa have been noted. The Stuckenietum amblyphyllae community prefers cold, open, alkaline waters with medium flow-rate, ranging in depth from 15 to 75 cm. It is also, but rarely, found in the mountain ponds. Together with the Stuckenia filiformis community it designates in the Pamir Alai Mountains the upper limit of aquatic vegetation.

11

Dlaczego powinnismy zainteresowac sie produkcja biomasy? [cz.4]

67%

Blazej J.

Biuletyn Informacyjno-Handlowy. Ośrodek Doradztwa Rolniczego Boguchwała

|

2006

|

nr 01

22

12

Nesting habitat requirements and nestling diet in the Mediterranean populations of Crested Tits Lophophanes cristatus

67%

Atienzar F., Barba E., Holleman L. J. M., Belda E. J.

Acta Ornithologica

|

2009

|

tom 44

|

nr 2

Most bird species show specific habitat requirements for breeding and feeding. We studied the pattern of habitat occupation, nestling diet and breeding performance of Crested Tits Lophophanes cristatus in a "typical" (coniferous) and an "atypical" (Holm Oak Quercus ilex) forest in eastern Spain during 2005-2007. We aimed to determine which microhabitat characteristics in the Holm Oak forest could account for the presence of Crested Tits, and checked whether the nestling diet in the Holm Oak forest resembled that obtained in the pine forest. Vegetation maps were produced using GIS from observations made in the field (tree species, tree and shrub cover). Nestling diet was recorded through video surveillance. Crested Tits bred in mature, low-density areas in the pine forest. Those breeding in the Holm Oak forest built their nests in areas including pine trees and avoided densely forested areas. Birds breeding in the pine forest started laying by mid-April and the average clutch size was 5 eggs. In the Holm Oak forest, birds started laying by the end of April and average clutch size was also 5 eggs. Fledglings weighed around 12 g in both forests. Nestling diet, prey size and feeding frequency by the parents did not vary between the forests. The main prey types consumed were Lepidoptera larvae and Diptera.

13

Habitat requirements of the Alpine marmot Marmota marmota in re-introduction areas of the Eastern Italian Alps. Formulation and validation of habitat suitability models

67%

Borgo A.

Acta Theriologica

|

2003

|

tom 48

|

nr 4

I analyzed the habitat selection of two Alpine marmots Marmota marmota (Linnaeus, 1758) populations (A and B) re-introduced in the Friulian Dolomites Natural Park (Eastern Italian Alps) in 1977 and 1983 respectively. Population A showed a higher density of family units than the more recently introduced and still increasing population B. I mapped winter burrows and I conferred proportions of usage of habitat types with their availability by the Jacobs index. Population B positively selected fewer types of habitat than population A, and particularly selected those habitat types more strongly selected by A. Through stepwise discriminant function analysis and oneway ANOVA, I analyzed the characteristics of the winter burrow surroundings, by splitting up the two study areas into sample squares covering 1 ha each. The importance of the alpine meadows and pastures was subordinate to the presence of rocks, especially in the pastures. Comparing the results obtained separately for the two populations, the more recent and less dense population showed a more restrictive habitat and slope selection, in accordance with the ideal free distribution theory. In order to validate the habitat suitability model obtained by discriminant analysis I applied it to two other populations of Alpine marmots present in FDNP and in the Julian Prealps Natural Park.

14

The distribution and habitat requirements of the genus Orobanche L. (Orobanchaceae) in SE Poland

59%

Piwowarczyk R., Chmielewski P., Cwener A.

Acta Societatis Botanicorum Poloniae

|

2011

|

tom 80

|

nr 1

The distribution of the genus Orobanche in SE Poland is presented. The study area stretches between the Vistula and the Bug rivers, and comprises the Polish areas of the Lublin-Lwów Upland, theWołyń Upland and the southern part of Polesie. Eight species of the genus Orobanche: O. alba, O. alsatica, O. arenaria, O. caryophyllacea, O. elatior, O. lutea, O. pallidiflora, O. picridis, were collected during floristic investigations conducted between 1999 and 2010. The hosts, abundance and habitat preferences at the localities are given and a supplemented map of the distribution in SE Poland is included.

15

Wybór obszarów dla upraw roślin energetycznych na terenie powiatu ciechanowskiego

59%

Stelmach J., Karczmarczyk A., Mosiej J.

Zeszyty Problemowe Postępów Nauk Rolniczych

|

2008

|

tom 532

Dokonano oceny możliwości wprowadzenia plantacji roślin energetycznych na terenie powiatu ciechanowskiego. Podstawę analizy stanowiły podstawowe informacje o wymaganiach siedliskowych wybranych gatunków roślin oraz mapy i warstwy tematyczne przedstawiające sposób zagospodarowania terenu, stan infrastruktury technicznej oraz dane hydrologiczne analizowanego terenu. Podstawowym z analizowanych materiałów były mapy glebowe oraz hydrogeologiczne. Na ich podstawie, oraz na tle wymagań siedliskowych roślin energetycznych zostały wskazane optymalne miejsca do lokalizacji plantacji. Wynikiem końcowym analizy jest baza danych utworzona z map i warstw tematycznych oraz wskazanie potencjalnych lokalizacji dla upraw wybranych gatunków roślin energetycznych. Wykonana analiza może stanowić bazę do opracowania strategii rozwoju energetyki w regionie z wykorzystaniem odnawialnych źródeł energii.

16

Krotkotrwale uzytki zielone na glebach ornych

59%

Szczepaniak W., Musolf R.

Agrochemia

|

2001

|

nr 03

35-36

17

Koniczyna czerwona... z trawami

51%

Scibior H.

Agrochemia

|

1995

|

nr 10

10-11

18

Uprawa gryki

51%

Podolska G.

Agrochemia

|

2003

|

nr 05

26-30

Ograniczanie wyników

Density and habitat requirements of introduced Eastern cottontail Sylvilagus floridanus in northern Italy

The effect of scale-dependent habitat gradients on the structure of bird assemblages in the Czech Republic

Habitat requirements of Eurasian pine marten Martes martes in a Mediterranean environment

Substratum preferences and diel activity patterns of spined loach Cobitis taenia in England: implications for conservation management

Orobanche bartlingii Griseb. (Orobanchaceae) in Poland: taxonomical position, distribution and habitat requirements

Water and rush plant communities in the Warta River oxbows: biodiversity and habitat requirements

Co-occurrence of two stoneworts of reverse ecological spectra in the same lake ecosystem. Habitat requirements of Chara delicatula Agardh and Chara globularis Thuillier in the context of bioindication

Two new species and new records of the North Korean Gabrius Stephens, 1829 [Coleoptera: Staphylinidae]

Festulolium - nowy gatunek trawy pastewnej

Distribution patterns, floristic structure and habitat requirements of the alpine river plant community Stuckenietum amblyphyllae ass. nova (Potametea) in the Pamir Alai Mountains (Tajikistan)

Dlaczego powinnismy zainteresowac sie produkcja biomasy? [cz.4]

Nesting habitat requirements and nestling diet in the Mediterranean populations of Crested Tits Lophophanes cristatus

Habitat requirements of the Alpine marmot Marmota marmota in re-introduction areas of the Eastern Italian Alps. Formulation and validation of habitat suitability models

The distribution and habitat requirements of the genus Orobanche L. (Orobanchaceae) in SE Poland

Wybór obszarów dla upraw roślin energetycznych na terenie powiatu ciechanowskiego

Krotkotrwale uzytki zielone na glebach ornych

Koniczyna czerwona... z trawami

Uprawa gryki