Forestry & Environmental Resources - 1981 Amerson, H. V., McKeand, S. E., & Mott, R. L. (1981). Tissue culture and greenhouse practices for the production of loblolly pine plantlets. Proceedings of the 16th Southern Forest Tree Improvement Conference, 168–175. Bridgwater, F. E., & McKeand, S. E. (1981). Quantitative inheritance, heritability, genetic gain and combining ability. In Tree Improvement Short Course (Vol. 49, p. 33). Raleigh, NC: N. C. State University-Industry Cooperative Tree Improvement Program. Brown, R. D. (1981). Losing weight by the book. Marine Corps Gazette, 65(10), 68–71. Brown, R. D., & Cowan, R. L. (1981). The effect of parathyroidectomy on antler growth in white-tailed deer. Texas Journal of Science, 33(2-4), 113–120. Carl, G., & Brown, R. D. (1981). The javelina in South Texas. Texas Hunters' Hotline, Winter, 8–942. Foster, G. S., Bridgwater, F. E., & McKeand, S. E. (1981). Mass vegetative propagation of loblolly pine--a re-evaluation of direction. Proceedings of the 16th Southern Forest Tree Improvement Conference, 311–319. McKeand, S. E. (1981). Annual Progress Report, 1981. Special Project on Tree Tissue Culture, Southern Forest Research Center, School of Forest Resources, N. C. State University. McKeand, S. E. (1981). Loblolly pine tissue culture: current and future uses in southern forestry (p. 50). N. C. State University, School of Forest Resources. Powell, R. A. (1981). Fisher food requirements and hunting behavior. In J. A. Chapman & D. Pursley (Eds.), Worldwide Furbearer Conference proceedings, Aug. 3-11, 1980, Frostburg, Maryland (pp. 883–917). Baltimore, MD: Worldwide Furbearer Conference. Powell, R. A. (1981). Martes pennanti. Mammalian Species, 156, 1–6. https://doi.org/10.2307/3504050 Powell, R. A., & Brooks, W. S. (1981). Small mammal changes in populations following tornado blowdown in northern mixed forest. Journal of Mammalogy, 62, 397–400. https://doi.org/10.2307/1380723 Roise, J. P., & Betters, D. R. (1981). An Aspect Transformation with Regard to Elevation for Site Productivity Models. Forest Science, 27(3), 483–486. Roise, J. P., Betters, D. R., & Kent, B. M. (1981). An Approach to Functionalizing Key Environmental Factors: Forage Production in Rocky Mountain Aspen Stands. Ecological Modeling, 14, 133–146. https://doi.org/10.1016/0304-3800(81)90018-1 Sanchez, P. A., & Salinas, J. G. (1981). Low-input technology for managing oxisols and ultisols in tropical America. Advances in Agronomy, 34, 279. https://doi.org/10.1016/S0065-2113(08)60889-5 Schaffer, H. E., & Sederoff, R. R. (1981). Improved estimation of dna fragment lengths from agarose gels. Analytical Biochemistry, 115(1), 113–122. https://doi.org/10.1016/0003-2697(81)90533-9 Schreuder, G., Roise, J. P., & Tillman, D. (1981). Chapter 18, Municipal Sludge Application to Pacific Northwest Forest Lands. In C. S. Bledsoe (Ed.), Economics of Sludge Disposal in Forests (Vol. 41). University of Washington: Institute of Forest Resources. Simons, T. R. (1981). A Simple Event Recorder for Monitoring Cavity-Dwelling Animals. The Murrelet, 62(1), 27. https://doi.org/10.2307/3534452 Simons, T. R. (1981). Behavior and attendance patterns of the Fork-tailed Storm Petrel. The Auk, 98, 145–158. Simons, T. R. (1981). Seabirds and park management. Proceedings; Hawaii Forestry and Wildlife Conference 1980. U.S. Dept. Agriculture. Presented at the awaii Forestry and Wildlife Conference. Simons, T. R., & Simons, P. M. (1981). Breeding biology of the Dark-rumped Petrel in the Hawaiian Islands. Proceedings of the Third Conference in Natural Sciences, Hawaii Volcanoes National Park. Presented at the Third Conference in Natural Sciences, Hawaii Volcanoes National Park.