Forestry and Environmental Resources - 1981 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. 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. (1981). Behavior and attendance patterns of the Fork-tailed Storm Petrel. The Auk, 98, 145–158. Simons, T. R. (1981). A Simple Event Recorder for Monitoring Cavity-Dwelling Animals. The Murrelet, 62(1), 27. https://doi.org/10.2307/3534452 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. 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 Carl, G., & Brown, R. D. (1981). The javelina in South Texas. Texas Hunters' Hotline, Winter, 8–942. 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. Brown, R. D. (1981). Losing weight by the book. Marine Corps Gazette, 65(10), 68–71. 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. 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. 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. 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. SANCHEZ, P. A., & SALINAS, J. G. (1981). [Review of LOW-INPUT TECHNOLOGY FOR MANAGING OXISOLS AND ULTISOLS IN TROPICAL AMERICA]. ADVANCES IN AGRONOMY, 34, 279–406. https://doi.org/10.1016/S0065-2113(08)60889-5 POWELL, R. A., & BROOKS, W. S. (1981). SMALL MAMMAL CHANGES IN POPULATIONS FOLLOWING TORNADO BLOWDOWN IN NORTHERN MIXED FOREST. JOURNAL OF MAMMALOGY, Vol. 62, pp. 397–400. https://doi.org/10.2307/1380723 Powell, R. A. (1981). Martes pennanti. Mammalian Species, 156, 1–6. https://doi.org/10.2307/3504050 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. 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 Nielsen, L. A., Kendall, W. T., & Helfrich, L. A. (1981). Comparison of angler use and characteristics at three catchable trout fisheries in Virginia. Proceedings of the ... Annual Conference, Southeastern Association of Fish and Wildlife Agencies, 34, 330–340. Nielsen, L. A. (1981). A dichotomous key to fishery education in the United States. In K. O'Hara. & C. D. Barr (Eds.), Proceedings: The second British Freshwater Fisheries Conference held at Life Sciences Building, the University, Crown Street, Liverpool, L69 3BX, 13, 14 and 15 April 1981 (pp. 3–10). Chislehurst [England]: Janssen Services, Conference Reporting Division. Nielsen, L. A. (1981). A comparison of the relative effectiveness of a videotape and a slide set for illustrating outdoor activities. International Journal of Instructional Media, 9, 83–89. Nielsen, L. A. (1981). Accreditation: To be or not to be. Fisheries, 6(1), 9–11. NIELSEN, L. A. (1981). THE CASE FOR ENVIRONMENTAL MODERATION (OR WHY PEOPLE WHO LIVE IN RECYCLED BOTTLES SHOULDNT THROW STONES). AMERICAN BIOLOGY TEACHER, 43(4), 208-&. https://doi.org/10.2307/4447229 Nielsen, L. A. (1981). No fishery is an island. Fisheries, 16(2), 48.