Modelling climate effects on diameter growth of red pine trees in boreal Ontario, Canada
The climate is changing and these changes may affect tree growth. Diameter growth models are one of the essential inputs for many growth and yield projection systems.
Mahadev Sharma
doaj +1 more source
White Grub Populations, Phyllophaga Spp., in Relation to Damaged Red Pine Seedlings in Michigan and Wisconsin Plantations (Coleoptera: Scarabaeidae) [PDF]
Excerpt: White grubs (Coleoptera, Scarabaeidae), the larvae of May and related beetles, are destructive pests in some young pine plantations in the Lake States Region. They live in the soil and feed on roots of trees and other vegetation. Larvae chew off
Fowler, Richard F., Wilson, Louis F.
core +2 more sources
NATURAL ROOT GRAFTS IN RED PINE (PINUS RESINOSA AIT.)
The occurrence of root grafts in nine plantations which varied in age from 5-45 years was investigated. The spacing of the trees in all these plantations was approximately 6 feet by 6 feet at time of planting. The youngest plantation in which grafts between different trees were found was 15 years old.
K. A. Armson, R. Van Den Driessche
openaire +1 more source
Further Eastern Range Extension and Host Records for \u3ci\u3eLeptoglossus Occidentalis\u3c/i\u3e (Heteroptera: Coreidae): Well-Documented Dispersal of a Household Nuisance [PDF]
Leptoglossus occidentalis is reported for the first time from Connecticut, New York, Ontario, Pennsylvania, and Wyoming, representing an eastern range extension from Indiana and Michigan.
Gall, Wayne K
core +2 more sources
\u3ci\u3eTomicus Piniperda\u3c/i\u3e (Coleoptera: Scolytidae) Reproduction and Development in Scots, Jack, Red and Eastern White Pine Under Laboratory Conditions [PDF]
The pine shoot beetle, Tomicus piniperda (L.) (Coleoptera: Scolytidae), is an exotic bark beetle in North America that was first found in the Great Lakes region in 1992. We evaluated T.
Haack, Robert A +2 more
core +2 more sources
Bioecology of the fungus Sphaeropsis sapinea dyko & Sutton - agents of pinus species decline [PDF]
Sphaeropsis sapinea is a cosmopolitan fungus, identified in more than 50 countries of the world, on all continents, but it is primarily the species of warm lands. It is also a polyphagous fungus recorded from 11 coniferous genera. The most endangered and
Milijašević Tanja
doaj +1 more source
Eastern Range Extension of \u3ci\u3eLeptoglossus Occidentalis\u3c/i\u3e With a Key to Leptoglossus Species of America North of Mexico (Heteroptera: Coreidae) [PDF]
Leptoglossus occidentalis is reported for the first time from Illinois and Michigan, and confirmed for Indiana.
McPherson, J. E +3 more
core +2 more sources
Ponderosa Pine Revisited [PDF]
We here recognize a new variety, Pinus ponderosa var. pacifica, in the Pacific portion of the species\u27 distribution and present a new combination for Washoe pine as a variety, Pinus ponderosa var. washoensis.
Haller, J. Robert, Vivrette, Nancy J
core +2 more sources
A 6 ka BP Reconstruction for the Island of Newfoundland from a Synthesis of Holocene Lake-Sediment Pollen Records [PDF]
A 6 ka reconstruction for the island of Newfoundland is presented in the context of a synthesis of Holocene pollen records for twelve sites within or at the margin of the boreal forest, five of which are new. Climatic reconstruction is based primarily on
Brown MacPherson, Joyce
core +1 more source
Shaping future forests: how can ecophysiology support climate‐smart forest management?
Summary Climate change, particularly the associated increase in extreme events and disturbances, threatens the numerous environmental, social, and economic benefits that forests provide, both locally and globally. Heat and drought pose significant risks to forest ecosystems; the anticipated future climate is expected to exacerbate this trend ...
Arthur Gessler +18 more
wiley +1 more source

