Site Conditions and Morphometry of Geranium sanguineum L. on the Combe Martigny in the Valaisian Part of the Rhône Vally, Switzerland

J. Eijsink, H. van Gils

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Abstract

A significant larger stem height, internode number per stem, ramification number per stem, leaf-tip length, stem number/m2, leaf area indes/m2 and stem number per individual plant (polycormon) of Geranium sanguineum have been observed in forbland of the Geranio-Trifolietum alpestris as compared with forest, woodland and grassland. We summarize this in the statement that Geranium sanguineum attains its maximum vitality in forb communities. The highest presence of G. sanguineum falls within the same formation according to the referred literature.

The time consuming analysis of air and soil temperature, wind velocity and plant nutrient content within the soil did not bring in the expected decisive site factor(s) in the vegetation catena forest-forbland-grassland. According to earlier “holistic” field observations the lower vitality and lower presence of G. sanguineum in forest as compared with forbland may be caused by the light factor. The absence of G. sanguineum in the majority of the dry grasslands in the research area may be due to excessive drainage of the site or/and present or former mowing or grazing.

The higher vitality of G. sanguineum within the forb communities has been observed in the forest bordering type. The decisive site factor is here, following Dierschke, the intermittent sunlight along the forest edge.

Guidelines for the classification of the Geranio-Trifolietum alpestris (in Quercetea pubescentipetraeae, Trifolio-Geranietea or Festuco-Brometea) cannot be derived from the sampled microclimatic and edaphic parameters. The statements of both Jakucs (1972) and Dierschke (1974) about this question turned out to be valid locally only.
Translated title of the contributionSite Conditions and Morphometry of Geranium sanguineum L. on the Combe Martigny in the Valaisian Part of the Rhône Vally, Switzerland
Original languageGerman
Pages (from-to)241-262
JournalFlora: Morphology, Distribution, Functional Ecology of Plants
Volume168
DOIs
Publication statusPublished - 1979

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Geranium
morphometry
Switzerland
stem
stems
grasslands
grassland
catenas
catena
mowing
forest edge
edge effects
forest types
internodes
wind speed
leaf area
soil temperature
woodlands
woodland
air temperature

Keywords

  • NRS
  • ADLIB-ART-1752

Cite this

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title = "Standortverh{\"a}ltnisse und Morphometrie von Geranium sanguineum L auf der Combe Martigny im Walliser Rh{\^o}netal, Schweiz",
abstract = "A significant larger stem height, internode number per stem, ramification number per stem, leaf-tip length, stem number/m2, leaf area indes/m2 and stem number per individual plant (polycormon) of Geranium sanguineum have been observed in forbland of the Geranio-Trifolietum alpestris as compared with forest, woodland and grassland. We summarize this in the statement that Geranium sanguineum attains its maximum vitality in forb communities. The highest presence of G. sanguineum falls within the same formation according to the referred literature.The time consuming analysis of air and soil temperature, wind velocity and plant nutrient content within the soil did not bring in the expected decisive site factor(s) in the vegetation catena forest-forbland-grassland. According to earlier “holistic” field observations the lower vitality and lower presence of G. sanguineum in forest as compared with forbland may be caused by the light factor. The absence of G. sanguineum in the majority of the dry grasslands in the research area may be due to excessive drainage of the site or/and present or former mowing or grazing.The higher vitality of G. sanguineum within the forb communities has been observed in the forest bordering type. The decisive site factor is here, following Dierschke, the intermittent sunlight along the forest edge.Guidelines for the classification of the Geranio-Trifolietum alpestris (in Quercetea pubescentipetraeae, Trifolio-Geranietea or Festuco-Brometea) cannot be derived from the sampled microclimatic and edaphic parameters. The statements of both Jakucs (1972) and Dierschke (1974) about this question turned out to be valid locally only.",
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Standortverhältnisse und Morphometrie von Geranium sanguineum L auf der Combe Martigny im Walliser Rhônetal, Schweiz. / Eijsink, J.; van Gils, H.

In: Flora: Morphology, Distribution, Functional Ecology of Plants, Vol. 168, 1979, p. 241-262.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - van Gils, H.

PY - 1979

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N2 - A significant larger stem height, internode number per stem, ramification number per stem, leaf-tip length, stem number/m2, leaf area indes/m2 and stem number per individual plant (polycormon) of Geranium sanguineum have been observed in forbland of the Geranio-Trifolietum alpestris as compared with forest, woodland and grassland. We summarize this in the statement that Geranium sanguineum attains its maximum vitality in forb communities. The highest presence of G. sanguineum falls within the same formation according to the referred literature.The time consuming analysis of air and soil temperature, wind velocity and plant nutrient content within the soil did not bring in the expected decisive site factor(s) in the vegetation catena forest-forbland-grassland. According to earlier “holistic” field observations the lower vitality and lower presence of G. sanguineum in forest as compared with forbland may be caused by the light factor. The absence of G. sanguineum in the majority of the dry grasslands in the research area may be due to excessive drainage of the site or/and present or former mowing or grazing.The higher vitality of G. sanguineum within the forb communities has been observed in the forest bordering type. The decisive site factor is here, following Dierschke, the intermittent sunlight along the forest edge.Guidelines for the classification of the Geranio-Trifolietum alpestris (in Quercetea pubescentipetraeae, Trifolio-Geranietea or Festuco-Brometea) cannot be derived from the sampled microclimatic and edaphic parameters. The statements of both Jakucs (1972) and Dierschke (1974) about this question turned out to be valid locally only.

AB - A significant larger stem height, internode number per stem, ramification number per stem, leaf-tip length, stem number/m2, leaf area indes/m2 and stem number per individual plant (polycormon) of Geranium sanguineum have been observed in forbland of the Geranio-Trifolietum alpestris as compared with forest, woodland and grassland. We summarize this in the statement that Geranium sanguineum attains its maximum vitality in forb communities. The highest presence of G. sanguineum falls within the same formation according to the referred literature.The time consuming analysis of air and soil temperature, wind velocity and plant nutrient content within the soil did not bring in the expected decisive site factor(s) in the vegetation catena forest-forbland-grassland. According to earlier “holistic” field observations the lower vitality and lower presence of G. sanguineum in forest as compared with forbland may be caused by the light factor. The absence of G. sanguineum in the majority of the dry grasslands in the research area may be due to excessive drainage of the site or/and present or former mowing or grazing.The higher vitality of G. sanguineum within the forb communities has been observed in the forest bordering type. The decisive site factor is here, following Dierschke, the intermittent sunlight along the forest edge.Guidelines for the classification of the Geranio-Trifolietum alpestris (in Quercetea pubescentipetraeae, Trifolio-Geranietea or Festuco-Brometea) cannot be derived from the sampled microclimatic and edaphic parameters. The statements of both Jakucs (1972) and Dierschke (1974) about this question turned out to be valid locally only.

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