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How much do poor rural households rely on environmental extraction from natural ecosystems? And how does climate variability impact their livelihoods?...
Read moreThe relative importance to hares of pasture fields, with and without farm livestock, was assessed on a mixed farm of cereals and grass in Hampshire, S...
Read moreThe survival of four populations of eggs of Hylemya (Leptohylemyia) coarctata (Fall.) at Rothamsted in southern England was studied. Few eggs disappea...
Read moreAquaculture is replacing capture fisheries in supplying the world with dietary protein. Although disease is a major threat to aquaculture production, ...
Read moreMeasurements of web cover, aphid availability and aphid capture were made in fields of winter wheat in West Sussex and East Anglia, England, in 1981 a...
Read moreObservations were made in southern England in 1970-71 on aphid populations infesting the aerial shoots of spring cereals. Aphids mainly Acyrthosiphon ...
Read moreThe relevance to conservation of a restriction on the start of haymaking in species-rich meadows is included in the management prescription for the Pe...
Read morePlants of Ayrshire and Scotia perennial ryegrass and of Daeno II and Scotia cocksfoot spaced 2 and 4 cm apart were grown in boxes in pure stand and in...
Read moreThe following is based largely on the author's sumrnary. Scotch broom (Sara-thamnus scoparius) was introduced from Europe to the Pacific toast of Nort...
Read moreIn further work [cf. F.A. 27 No. 106], the annual cycle of water movement has been studied over five growing seasons in adjacent semi-mature stands of...
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