Search Results - "Thacker, J. I"

The Extent and Intensity of Management Burning in the English Uplands by A. R. Yallop, J. I. Thacker, Thomas, G., Stephens, M., B. Clutterbuck, Brewer, T., C. A. D. Sannier

“…1. World-wide, the controlled use of fire is an important ecological management tool and is essential for the continuance of many communities. It is used…”
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Changes in water colour between 1986 and 2006 in the headwaters of the River Nidd, Yorkshire, UK: a critique of methodological approaches and measurement of burning management by Yallop, A. R, Clutterbuck, B, Thacker, J. I

“…The effect of moorland management on the release of dissolved organic carbon (DOC) from blanket peat is currently a topic of great interest in the UK. A recent…”
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Identifying rarity in insects: the importance of host plant range by HOPKINS, G. W, THACKER, J. I, DIXON, A. F. G, WARING, P, TELFER, M. G

“…Data from the literature were examined to link host-plant range and insect rarity as a technique for identifying the species likely to be rare in three poorly…”
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Forecasting of periodic fluctuations in annual abundance of the bean aphid: the role of density dependence and weather by Thacker, J. I., Thieme, T., Dixon, A. F. G.

“…Linear regression models have been constructed to describe variation in abundance of Aphis fabae, Myzus persicae and Acyrthosiphon pisum populations in…”
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Ants and Habitat Specificity in Aphids by Hopkins, Gw, Thacker, Ji

“…A number of rare butterflies are known to only utilise their host plant species when they grow in particular situations. Field data are presented showing that…”
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Limits to the abundance of rare species: an experimental test with a tree aphid by Hopkins, Graham W., Thacker, Jonathan I., Dixon, Anthony F. G.

“…1. The birch ( Betula )‐feeding aphid, Monaphis antennata, is always found at low densities on individual hosts and has low local abundance, but another…”
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