Semiochemical-based exotic species surveys targeting forest Coleoptera have gradually expanded in North America and elsewhere. Determining how various factors affect trap catches and increase species richness in traps is important for maximizing the efficacy of survey efforts. Studies were conducted in southern Maine and New Hampshire by using ethanol and alpha-pinene as lures to determine the ...

Karlsson, LT. 2000. X f . i m r m . L usgenerulion oJ'hroadleaved lree .species in .soulhern Sweden EJJerls o$ . s i l v i r d f u m l ireafment.s mnd .seed disprsa l f rom surrounding .slnnds. Doctor's dissertation. ISSS 1401-67307 ISBN 91-576-6080-8 The objective of the present thesis was to examine the effects of silvicultural treatments and seed dispersal from surrounding stands on the esta...

Features of Spatial Snag Distribution in a Beech-Fir Forest With the participation of about 65% in the total growing stock of conifers, silver fir is the most important andthe best represented conifer species in Croatia. The increasing share of sanitary felling in the annual felling plansdemands that special attention be paid to the health status of fir forests and the quantity of unpla...

My interest in the topics of corporate citizenship and global governance arose from concerns regarding the ecological environment and a growing awareness that some of the world's most precious natural resources such as ancient forests, clean air and pristine oceans were under threat from a number of irresponsible big businesses.(Dobscha 2001) Logging companies felling old growth forests in Abst...

Despite the importance of financial outcomes to stand-level forest management decision-making, long-term assessments are rare. We compared quality and value mixed, northern conifer (Picea–Abies–Tsuga) stands in Maine, USA, treated with a range silvicultural systems exploitive cuttings for 65 years. Ten replicated treatments — single-tree selection uniform shelterwood systems, commercial clearcu...

Changes in teak harvesting techniques due to the Covid-19 outbreak was investigated at research locations community forests. This aims identify that used The each process, including felling, skidding, and timber transportation processes were analyzed using qualitative descriptive analysis. results showed technique wood process a semi-mechanical combined use of manual mechanical equipment. Manua...