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Triazine-susceptible and resistant biotypes of S. vulgaris, collected from the same field in Salinas, California, were compared to determine whether r...
Read moreIn the basement complex country of the area, ranges of rocky hills are separated by a deeply weathered pedeplain dissected by seasonal watercourses. I...
Read moreThis article discusses a recent paper [Moreno and Halffter, Journal of Applied Ecology (2000) 37, 149-158] that described the problems associated with...
Read moreIn a study at Craigellachie Forest, Scotland, during 1978-79, covering 5 soil types and 5 provenances planted in the early 1960s, pupal numbers of Pan...
Read moreAverage summer sheep population densities in ewe units/ha at 56 sites in Snowdonia in 1957-68 were 4.99-10.65 on herb-rich Agrostis tenuis/Festuca ovi...
Read moreResults are reported from a mechanical diallel experiment with Avena fatua, A. ludoviciana, A. strigosa and oats cv. Blenda. Relative yield totals bas...
Read moreEcologists have long studied the effects of disturbance on species diversity. More recently, researchers have become interested in understanding how t...
Read moreThe harvest of wild non-timber forest products (NTFP) represents an important source of income to millions of people world-wide. Despite growing conce...
Read moreThe effects of harvesting the dominant palm tree Euterpe edulis on the abundance of 15 large frugivorous birds (Ramphastidae, Cracidae, Cotingidae, Tr...
Read moreThe fit to log-normal distribution of species abundances of grasshoppers (Acridoidea), ladybird beetles (Coccinellidae), tortoise beetles (Cassidinae)...
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