Comparative Plant Ecology: A Functional Approach to Common by J.P. Grime, J.G. Hodgson, R. Hunt

By J.P. Grime, J.G. Hodgson, R. Hunt

This quantity presents a standardized comparative account of the ecology of universal British vascular vegetation, in line with the authors' lengthy event of analysis into temperate-zone species. With the emphasis back on box surveys, an alphabetical series of money owed of 281 species - or teams of secies - features a distillation of crucial laboratory information and released details. The precis tables describing the basic ecology and organic characteriestics of the entire universal species of the British vegetation have additionally been retained in complete. The variation may still end up an invaluable advisor to scholars, novice naturalists and ecologists. Its useful relevance and available presentation should still attract an individual attracted to environmental and utilized plant technology and within the administration, conservation, or reconstruction of herbaceous crops. This publication could be of curiosity to complicated undergraduate scholars of plant ecology and plant technology, expert ecologists, conservationists and source managers.

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Extra resources for Comparative Plant Ecology: A Functional Approach to Common British Species

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More-precise comparisons on th~ basis of individ~al vegetation samples were performed by. Gnme (1974), u~mg prepublication data from the RGR screemng programme. Gnme used the frequency of each species within the sample to calculate weighted means for RGR, with an outcome which suggested that in natural vegetation there may be a sensitive adjustment of general levels of potential maximum RGR prevailing in a community in response to variation in site fertility. nt. 87) h~ve confirmed the strong predictive value of seedling RGR m relatiOn to habitat productivity, and have narrowed causal analysis of the correlation to studies of the very different mechanisms of resource capture and utilization in habitats differing in productivity (Grime eta/.

4 Species typical of seven ecological strategies (see Fig. 2). Strategy Typical species Competitor Chamerion angustifolium 1-4 Urtica dioica 1•5- 10 Pha/aris arundinacea1•11 Ruderal Capsel/a bursa-pastoris12•13 Senecio vu/garis1• 12- 14 Urtica urens7 • 9 • 15 Stress-tolerator Danthonia decumbens 1• 16• 17 Primula veris18 Sanicula europaea1• 19 Competitive-ruderal Impatiens g/andulifera20 Ranunculus repens1• 21 - 23 Tussilago farfara 1• 2• 24 • 25 Stress-tolerant ruderal Car/ina vu/garis26 - 28 Desmazeria rigida 1• 29 Linum catharticum26• 30 Stress-tolerant competitor Dryopteris filix-mas3 1-33 Mercurialis perennisS· 34 Vaccinium myrtillus1• 35 • 36 'C-S-R strategist' Holcus lanatus1• 37 • 38 Hypochaeris radicata4· 39 • 40 Rumex acetosa 1• 41 Publications relevant to this classification are: 1, Grime and Hunt 1975; 2, Myerscough and Whitehead 1966, 1967; 3, Myerscough 1980; 4, Van Andel and Vera 1977; 5, AI-Mufti eta[.

It is unlikely that the conditions selected were optimal for all of the species examined; in some at least the values of RGR may be underestimates. Moreover, relative growth rates vary ontogenetically during the seedling phase. Within species, genets and even ramets there may be variations in potential RGR (Bradshaw eta/. 1964, Elias & Chadwick 1979, Burdon & Harper 1980, Hunt 1984, Hunt & Lloyd 1987). In view of this we have not quoted exact estimates of RGR. 5 week- 1• For a guide to the further interpretation and use of information under this heading, see page 32.

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