Narodna in univerzitetna knjižnica, Ljubljana (NUK)
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Floristic and functional comparision of karst pastures and karst meadows from the North Adriatic karst = Floristična in funkcionalna primerjava kraških pašnikov in kraških travnikov severnojadranskega KrasaPipenbaher, Nataša ; Kaligarič, Mitja ; Škornik, SonjaIn the present study, we compared the species richness and the floristic and functional composition of two types of extensively managed, species rich dry grasslands (class Festuco-Brometea) from the ... North Adriatic Karst: karst pastures (alliance Satureion subspicatae) and karst meadows (alliance Scorzonerion villose). Karst pastures are characterized by shallow rocky soils, high pH, and dry, warm conditions, whereas karst meadows have developed on deeper soil, with more humus and moisture and neutral to alkaline pH. The data set included a table with 100 phytosociological relevés of the studied grasslands and a matrix with 15 functional traits determined for 180 plant species. We found high species richness in these grasslands but no statistically significant differences in species richness between karst pastures and meadows. Differences in floristic composition were analysed with Detrended Correspondence Analysis, which supported a clear division between the two vegetation types and indicated that species composition could best be explained in terms of soil humidity and nutrient availability. We also detected several differences in plant functional traits between meadows and pastures. Some of the traits indicate greater resource availability on karst meadows (in particular, high SLA, low LDMC). In contrast, karst pastures have more slow-growing species with a combination of traits that can be interpreted as an avoidance strategy in relation to disturbance (e.g., grazing) in low productive habitats (e.g., low SLA, high LDMC, early flowering species and plants with rosette). A lower relative proportion of competitors (C) and ruderals (R), and a higher relative proportion of stress-tolerators (S) in karst pastures also suggested that these grasslands generally experience higher intensities of stress when compared to karst meadows, presumably owing to lower resource availability on stony, shallow soil. We could conclude that karst meadows and pastures differ significantly in both floristic composition and functional trait means, owing to their distinctive land-use (disturbance) and environmental conditions.Vir: Acta carsologica = Krasoslovni zbornik. - ISSN 0583-6050 (Letn. 40, št. 3, 2011, str. 515-525)Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasleLeto - 2011Jezik - angleškiCOBISS.SI-ID - 18878216
Avtor
Pipenbaher, Nataša |
Kaligarič, Mitja |
Škornik, Sonja
Teme
travniki |
pašniki |
habitati |
severni Jadran |
kras (geologija) |
grasslands |
dry grasslands |
North Adriatic |
Karst
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Pipenbaher, Nataša | 28407 |
Kaligarič, Mitja | 10352 |
Škornik, Sonja | 19562 |
Vir: Osebne bibliografije
in: SICRIS
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