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An analysis of the costs and benefits of physiological integration between ramets in the clonal perennial herb Glechoma hederacea
Physiological integration allows clones to maintain a presence in less favourable sites with insignificant cost to ramets in favourable sites, thereby reducing the probability of invasion by other plants, and providing the potential for rapid clonal growth if conditions improve.
The effects of nutrient availability on foraging in the clonal herb Glechoma hederacea
The phenotypic plasticity of growth revealed in this experiment may be beneficial since it enables Glechoma hederacea to consolidate its occupation and exploitation of favourable sites (intense foraging), and to pass rapidly through less favourable sites, which may increase the probability of escape into more favourable Sites (extensive foraging).
Clonal integration and plasticity in foraging behaviour in Glechoma hederacea
Investigation of the effects of subjecting different parts of Glechoma hederacea clones to different levels of light intensity and soil nutrient availability provided no evidence of effective within-stolon basipetal translocation of resources between resource-rich and resource-poor parts of the clone, even when prior-established ramets were growing in resource- poor conditions.
The Effects of Light Intensity on Foraging in the Clonal Herb Glechoma Hederacea
Plasticity in growth form of G. hederacea enables clones to consolidate occupation of favourable Sites, through intensive foraging, and to grow through less favourable sites, concentrating resources in extensive foraging which may result in establishment of ramets in more rewarding sites.
AN ANALYSIS OF THE INFLUENCE OF CLONE SIZE AND STOLON CONNECTIONS BETWEEN RAMETS ON THE GROWTH OF GLECHOMA HEDERACEA L.
Maintenance of stolon connections in G. hederacea is advantageous because it improves the probability of daughter ramet survival, promotes rapid lateral expansion of the clone and reduces inter-ramet competition through the production of fewer, larger ramets.
Within- and between-population variation in ramet behaviour in the gynodioecious clonal herb, Glechoma hederacea (Labiatae)
Both flowering and nonflowering ramets of hermaphrodite clones, from grassland and woodland, were significantly larger than corresponding types of ramets from male sterile clones.
An assessment of long-term forest management policy options for red squirrel conservation in Scotland
Acknowledgements This work was funded by Forestry and Land Scotland, an executive agency of the Scottish Government responsible for managing the national forest estate. Andrew Slade was supported by…
Natural strongholds for red squirrel conservation in Scotland
The Eurasian Red Squirrel (Sciurus vulgaris) is under threat from the invasive North American eastern Grey Squirrel (Sciurus carolinensis) with 80% of the remaining red squirrel populations in the…