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Insect visits and hand-tripping significantly increased the number of pods over that from unvisited flowers. The results indicated that if sufficient ...
Read moreData are presented from plots in pure stands of naturally regenerated P. contorta in SE Wyoming, USA, varying in age (25-117 yr), site index (10.8-22....
Read moreEcological systems are prone to disturbances and perturbations. For stage-structured populations, communities and ecosystems, measurements of system m...
Read moreResults are reported from a study of leaf area dynamics in 100 plots in stands of lodgepole pine (Pinus contorta var. latifolia, age range 67-134 yr) ...
Read moreField and greenhouse studies showed that maintenance of a few centimeters water depth, compared with complete drawdown from a falling water table, wil...
Read moreHuman-induced climate change promotes the conditions on which wildfires depend, enhancing their likelihood and challenging suppression efforts. Human-...
Read moreThe following is virtually the author's summary. Infestations of empty food sacks by stored-products insects were studied by examination of 350 sacks ...
Read moreIn afforestation since 1920 (mainly 1946-60, 69% Picea sitchensis) at Kielder, upland blanket mires too wet to afforest were left unplanted. The veget...
Read morePruning by burning improved lowbush blueberry performance mainly through the nutrients in the ash. Pruning by mechanical clipping did not increase dry...
Read moreA method is described for producing maps of grassland vegetation from colour slides, using a standard 35 mm camera. The maps were drawn using a modifi...
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