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Sensitivity of the woodland herb Anemone hepatica to changing environmental conditions

In English

Författare

Summary, in English

The decline of deciduous woodland populations of Anemone hepatica L. in southern Sweden is documented and possible causes are discussed. The study was based on (1) re-investigations of 6.25 km(2) grid-squares first studied in 19381970, (2) distribution of A. hepatica in woodland sites with well-known soil chemical properties and (3) a detailed study over 12 consecutive years into the relationships between biological characteristics of the species (number of individuals, vegetative development, flowering frequency) and environmental variables (temperature, precipitation), soil chemistry and time. There was a close relationship between soil acidity (pH, solubility of Al3+) and both distribution and biological characteristics. The biological variables declined significantly overtime but were not related to climatic variability. Increasing soil acidity and Al3+ solubility are concluded to be the main factors responsible for the decline of A. hepatica in S. Swedish deciduous woodlands.

Publiceringsår

2002

Språk

Engelska

Sidor

207-216

Publikation/Tidskrift/Serie

Journal of Vegetation Science

Volym

13

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

International Association of Vegetation Science

Ämne

  • Ecology

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1654-1103