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Studies on bird damage to irrigated rice were carried out in 1975-7 on 2 irrigated farms at Bongor, Chad and Yagoua, Cameroun. The level of damage in ...

Populations were collected from twelve sites in Switzerland and Italy. Tetraploids occurred in grassland at high altitudes but in woodlands down to 11...

In Britain, man's alteration to river habitats began with forest clearances and continued with developments for water power and navigation. Industrial...

The flowering and seed production of G. pratense on a roadside verge in Huntingdonshire was examined in relation to 5 mowing regimes. Mowing in May or...

In Rhodesia, studies were made of Glossina morsitans morsitans Westw. and G. pallidipes Aust. captured from stationary sources of ox odour (electric t...

Leaf expansion was investigated in 10 ecotypes of Lolium perenne and 7 of Dactylis glomerata. Seasonal sowings revealed a regular cline in relative ra...

The dry-weight increment of A. pseudoplatanus seedlings, initially 60-90 cm. high, was measured by growth analysis. Seedlings were planted out 90 cm. ...

Riparian forest harvesting impacts streams in many ways, from altering temperature regimes, shifting geomorphic structure, increasing sediment fluxes ...

Land at Ranscombe Farm Reserve showed a build-up of biennial and perennial plants following a number years of conservation management for rare arable ...

See also Abs. 804. A series of glasshouse, growth room and field experiments were designed to study interference between perennial ryegrass [Lolium pe...