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more general categories information about this item Biological Sciences Biological Sciences anatomy and morphology (70482) plant anatomy (36017) leaves (12215) roots (8177) stems (4498) branches (742) biochemistry (102540) metabolism (18992) carbohydrate metabolism (4977) photosynthesis (4028) energy metabolism (8289) photosynthesis (4028) botany (53088) plant biology (52661) plant anatomy (36016) leaves (12214) roots (8177) stems (4498) branches (742) organisms (108862) plants (35960) trees (7529) physiology (77074) metabolism (18984) carbohydrate metabolism (4977) photosynthesis (4028) energy metabolism (8288) photosynthesis (4028) Calendar Year Calendar Year Year (337475) 2011 (42920) Farms and Farming Systems Farms and Farming Systems agricultural land (5339) plantations (1357) Forest Science and Forest Products Forest Science and Forest Products forests (8570) Geographical Locations Geographical Locations Europe (17734) British Isles (2904) United Kingdom (2558) Health and Pathology Health and Pathology plant health (10173) plant damage (1392) defoliation (347) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences ecology (54081) plant ecology (8129) vegetation structure (3406) plant strata (3024) canopy (2328) population ecology (15287) population characteristics (15194) population density (2537) natural resources (75944) biological resources (55960) vegetation (14356) vegetation types (11917) forests (8569) land resources (17347) land (6130) agricultural land (5339) plantations (1357) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) agrochemicals (13851) pesticides (9083) insecticides (2617) Plant Science and Plant Products Plant Science and Plant Products botany (53089) plant biology (52662) plant anatomy (36017) leaves (12215) roots (8177) stems (4498) branches (742) plant ecology (8129) vegetation structure (3406) plant strata (3024) canopy (2328) plant health (10173) plant damage (1392) defoliation (347) plants (35961) trees (7529) Reference Types Reference Types Journal (337546) Taxa - Animalia Taxa - Animalia Arthropoda (16832) Hexapoda (12564) Insecta (12421) Pterygota (Insecta) (12396) Homoptera (1593) Sternorrhyncha (1286) Aphidoidea (883) Aphididae (668) Elatobium (5) Elatobium abietinum (5) Taxa - Plantae Taxa - Plantae Coniferophyta (4467) Pinopsida (4357) Pinaceae (3802) Picea (1083) Picea sitchensis (72) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Defoliation and growth relationships for mid-rotation Sitka spruce attacked by the green spruce aphid, Elatobium abietinum (Walker) (Homoptera: Aphididae) Author(s) of Article: Will be identified in next release Citation: Forest ecology and management 2011 v.262 no.7 pp. 1223-1235 Click to View: (Click to View) Date of Publication: 2011 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=560227 Name of Publication: Forest ecology and management Publishing Company: Will be identified in next release Accession Number: 164381