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Tissue m.c. and rates of CO2 and O2 exchange were determined in the laboratory for branches of L. tulipifera collected at 2 week intervals over a 1 yr...
Read more[See FA 38, 1151]. Stomatal conductance (ks), photosynthesis (Fc) and shoot water potential ( psi ) were measured for seedlings of P. sitchensis grown...
Read moreThe known population of ravens in 1946-1960 has greatly declined. The decline is related to the increase in afforestation, which has reduced the area ...
Read moreThe number, length, angle, azimuth and compass bearing of whorl and interwhorl branches were measured in 1973 and 1976 for a plantation of P. sitchens...
Read moreDuring the summer of 1976, population levels of various herbivores and all predators and parasites in fields in USA were monitored by three sampling m...
Read moreA key-factor analysis is presented using data on Delia coarctata (Fall.) populations collected over 12 years from Stackyard field, Rothamsted. The ana...
Read moreA logistic model is presented which simulates population growth and concomitant environmental changes when Sitophilus oryzae (L.) is reared on wheat. ...
Read moreThe density of large termite mounds was estimated from 638 counts spread throughout Uganda. The counts were compared with data for fourteen environmen...
Read moreIn the summer of 1973-74, about 1.8 million adults of the parasite Aphaereta aotea Hughes & Woolcock were released at six sites in New South Wales...
Read moreThe large-scale use of organochlorine compounds in insect control causes increasing concern due to their toxicity and persistance which creates enviro...
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