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Sexual reproduction in Eichhornia crassipes (water hyacinth). I. Fertility of clones from diverse regions.

Published online: 01 Jan 1981

Authors: Barrett, S. C. H.

Content type: Journal article

Journal title: Journal of Applied Ecology

Sexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...

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Aspects of the population ecology of charlock.

Published online: 01 Jan 1981

Authors: Edwards, M.

Content type: Journal article

Journal title: Journal of Applied Ecology

The numbers of Sinapis arvensis plants in 3 permanent quadrats in an arable field were examined over 3 years. Plant size was positively correlated wit...

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Ecological effects of the aquatic herbicide cyanatryn on a drainage channel.

Published online: 01 Jan 1981

Authors: Scorgie, H. R. A.

Content type: Journal article

Journal title: Journal of Applied Ecology

Part of a drainage channel was treated with cyanatryn at 0.2 mu g/g. Release of the herbicide was slower than expected. A peak concn. of 0.1 mu g/g wa...

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The use of distress calls to repel night herons (Nycticorax nycticorax) from fish ponds.

Published online: 01 Jan 1981

Authors: Spanier, E.

Content type: Journal article

Journal title: Journal of Applied Ecology

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Acidity fluctuations at a broadland site in Norfolk.

Published online: 01 Jan 1981

Authors: Gosling, L. M. & Baker, S. J.

Content type: Journal article

Journal title: Journal of Applied Ecology

In November 1970 the acidity of Calthorpe broad in Norfolk, and some adjacent ditches, changed abruptly from near-neutrality to just above pH 3. Most ...

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The influence on soil development of the invertebrate fauna colonizing industrial reclamation sites.

Published online: 01 Jan 1981

Authors: Hutson, B. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

Leaves of oak (Quercus robur) were confined in nylon bags of three mesh sizes, and buried from July until February on four recently reclaimed coal pit...

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Colonization of industrial reclamation sites by Acari, Collembola and other invertebrates.

Published online: 01 Jan 1981

Authors: Hutson, B. R.

Content type: Journal article

Journal title: Journal of Applied Ecology

The soil fauna colonizing four reclaimed coal pit heap sites at different stages of reclamation in Northumberland, England, were sampled monthly for 2...

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Modification of a concrete mixer for the sieving of soils.

Published online: 01 Jan 1981

Authors: Benham, D. G. & Harrison, A. F.

Content type: Journal article

Journal title: Journal of Applied Ecology

A soil sieving machine developed from a commercial concrete mixer is described. The machine is suitable for use with a wide range of fresh soils.

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Germination and seedling growth on substrates with extreme pH-laboratory evaluation of buffers.

Published online: 01 Jan 1981

Authors: Redmann, R. E. & Abouguendia, Z. M.

Content type: Journal article

Journal title: Journal of Applied Ecology

Germination and early seedling growth of Pinus contorta and Picea glauca were examined in distilled water (pH 6.3) (control), eight acidic buffer solu...

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Atmospheric background deposition of heavy metals in Denmark monitored by epiphytic cryptogams.

Published online: 01 Jan 1981

Authors: Pilegaard, K. & Rasmussen, L. & Gydesen, H.

Content type: Journal article

Journal title: Journal of Applied Ecology

Samples of a moss (Hypnum cupressiforme) and of two lichens (Hypogymnia physodes, Lecanora conizaeoides) were collected from the trunks of beech (Fagu...

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