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Increment cores were obtained at b.h. from the stems of 300 trees on the margin of the Lake Vyrnwy reservoir, Montgomeryshire, Wales, in 1969, and the...
Read moreSexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...
Read moreThe butterfly fauna of lowland monsoon forest on Buru Island, Maluku, Indonesia, was compared in unlogged forest and forest that had been selectively ...
Read moreThe appearance and survival of Trifolium repens seedlings from naturally deposited seed were monitored for 3 years under different sheep grazing manag...
Read moreThe survival of four populations of eggs of Hylemya (Leptohylemyia) coarctata (Fall.) at Rothamsted in southern England was studied. Few eggs disappea...
Read moreHoneybees have world-wide importance as crop pollinators. To ensure their persistence in agricultural systems, statistically robust field trials of pl...
Read moreSpecies diversity, richness and evenness of Collembola populations were estimated for spring, summer, autumn and winter samplings of pastures at Armid...
Read moreConstant temperatures within the range 11-23 C had no significant effect upon the germination of Avena fatua, but higher temperatures appreciably redu...
Read moreThe populations of many UK farmland birds declined between 1970 and 1990, frequently accompanied by contractions in breeding ranges. Ornithological at...
Read moreField and laboratory trials were conducted in southern England to study the effects of seeding density and row spacing of oats on colonisation of seed...
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