NDLTD Global ETD Search
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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

Search results

Showing 701 to 710 of 20758 (0.029 seconds)
701

Qualitative changes in the regulation of Sycamore aphid numbers

Wellings, P. W. January 1980 (has links)
No description available.
577
Ecology
702

The role of density dependence and weather in determining aphid abundance

Thacker, Jonathan I. January 1995 (has links)
No description available.
577
Ecology
703

The population biology of Hieracium pilosella L. in a Breck grassland

Bishop, G. F. January 1980 (has links)
No description available.
577
Ecology
704

The thermal ecology and population dynamics of grasshoppers in relation to grazing on a Breckland grass heath

Willott, Stephen John January 1992 (has links)
No description available.
577
Ecology
705

Partial application of insecticide to cowpea (Vigna unguiculata Walpers) as a means of controlling cowpea aphid (Aphis craccivora Koch) and the cowpea foliage beetle (Ootheca mutabilis Sahlberg)

Ward, Andrew January 2000 (has links)
No description available.
577
Ecology
706

Effects of low concentrations of heavy metals on plankton community dynamics in a small, fertile, freshwater lake

Kerrison, P. January 1985 (has links)
No description available.
577
Ecology
707

The ecology of leaf miners of beech and holm oak

Pritchard, I. M. January 1983 (has links)
No description available.
577
Ecology
708

Decision-making in aphids

Ward, S. A. January 1982 (has links)
No description available.
577
Ecology
709

A comparative study of the humidity responses of ecologically distinct species of British grasshopper

Ruscoe, C. N. E. January 1970 (has links)
No description available.
577
Ecology
710

Ecological aspects of ploidy in Deschampia caespitosa

Rothera, S. L. January 1983 (has links)
No description available.
577
Ecology

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