Výsledky vyhledávání - "R. P. Cummins"

The influence of local environment and population origin on some reproductive traits ofNardus stricta(Poaceae) in the Scottish Highlands

Autor: R. P. Cummins, G. R. Miller

Publikováno v: New Journal of Botany. 4:143-153

Nardus stricta L is widespread in species-poor grassland on acidic soils throughout Scotland. Its wide altitudinal, latitudinal and longitudinal range enables a study of how plant reproductive performance is influenced by variation in the climatic en

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74b16134dd9cea44aa9f4a08297965f1
https://doi.org/10.1179/2042349714y.0000000050

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Geographic variation in seed-setting by heather (Calluna vulgaris (L.) Hull) in the Scottish Highlands

Autor: R. P. Cummins, G. R. Miller

Publikováno v: Journal of Biogeography. 28:1023-1031

Aim To assess the influence of oceanicity, altitude and latitude on spatial and temporal variations in the fecundity of heather (Calluna vulgaris (L.) Hull) in Scotland. Location Mountain study areas located throughout the Highlands of Scotland. Meth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80bf1df87ed0cec953367f60e5b0d4c5
https://doi.org/10.1046/j.1365-2699.2001.00604.x

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The Role of Chilling in the Germination of some Scottish Montane Species

Autor: R. P. Cummins, G. R. Miller

Publikováno v: Botanical Journal of Scotland. 52:171-185

Summary Seeds of 32 montane species were collected throughout northern Scotland. Germination responses, particularly the effects of chilling on breaking dormancy, were examined using a serial test incorporating single- and double-chilling treatments,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08f3b74d8119646cdbf3703956add72d
https://doi.org/10.1080/13594860009441753

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Regeneration of Scots pine Pinus sylvestris at a natural tree-line in the Cairngorm Mountains, Scotland

Autor: R. P. Cummins, G. R. Miller

Publikováno v: Ecography. 5:27-34

The age, density, distribution and reproductive capacity of Scots pine Pinus sylvestris L. were investigated along an altitudinal gradient through the only undisturbed tree-line remaining in the Cairngorm Mountains. Saplings at 300–410 m a.s.l. wer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3524e033036cad39021bad6bf0b55e1
https://doi.org/10.1111/j.1600-0587.1982.tb01014.x

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Liability of Saplings to Browsing on a Red Deer Range in the Scottish Highlands

Autor: J. W. Kinnaird, G. R. Miller, R. P. Cummins

Publikováno v: The Journal of Applied Ecology. 19:941

(1) The amount and seasonality of browsing on experimentally planted saplings (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::546cd4f656ba27c610f2accc44b55252
https://doi.org/10.2307/2403295

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Role of Buried Viable Seeds in the Recolonization of Disturbed Ground by Heather (Calluna vulgaris [L.] Hull) in the Cairngorm Mountains, Scotland, U.K

Autor: G. R. Miller, R. P. Cummins

Publikováno v: Arctic and Alpine Research. 19:396

Heather (Calluna vulgaris [L.] Hull), an evergreen dwarf shrub, is the predominant species on great tracts of Scottish moorland over a wide altitudinal range. It flowers annually but seed production is variable and declines substantially with increas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f047ec2939c664e3aa342e2f6ad2f62c
https://doi.org/10.2307/1551404

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