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Understory plant communities of boreal mixedwood forests in western Canada: natural patterns and response to variable-retention harvesting

Based on: Macdonald S.E. & Fenniak T.E. (2007)

Understory plant community responses to hazardous fuels reduction treatments in pinyon-juniper woodlands of Arizona, USA

Based on: Huffman D., Stoddard M., Springer J., Crouse J. & Chancellor W. (2013)

Understory plant responses to uneven-aged forestry alternatives in northern hardwood-conifer forests

Based on: Smith K.J., Keeton W.S., Twery M.J. & Tobi D.R. (2008)

Understory plant species composition 30–50 years after clearcutting in southeastern Wyoming coniferous forests

Based on: Selmants P.C. & Knight D.H. (2003)

Understory response to management treatments in northern Arizona ponderosa pine forests

Based on: Griffis K.L., Crawford J.A., Wagner M.R. & Moir W. (2001)

Understory response to repeated thinning in Douglas-fir forests of western Oregon

Based on: Berger C.A., Puettmann K.J. & McKenna J. (2012)

Understory responses to fire and artificial seeding in an eastern Cascades Abies grandis forest, USA

Based on: Schoennagel T.L. & Waller D.M. (1999)

Understory vegetation response after 30 years of interval prescribed burning in two ponderosa pine sites in northern Arizona, USA

Based on: Scudieri C.A., Sieg C.H., Haase S.M., Thode A.E. & Sackett S.S. (2010)

Unexpected consequences of reintroductions: competition between reintroduced red deer and Apennine chamois

Based on: Lovari S., Ferretti F., Corazza M., Minder I., Troiani N., Ferrari C. & Saddi A. (2014)

Unexpected ecological effects of distributing the exotic weevil, Larinus planus (F.), for the biological control of Canada thistle

Based on: Louda S.M. & O’Brien C.W. (2002)

Unexpected ecological effects of distributing the exotic weevil, Larinus planus (F.), for the biological control of Canada thistle

Based on: Louda S.M. & O’Brien C.W. (2002)

Ungulate relative abundance in hunted and non-hunted sites in Calakmul Forest (Southern Mexico)

Based on: Reyna-Hurtado R. & Tanner G.W. (2007)

United Utilities Sustainable Catchment Management Programme Volume 3: The Restoration of Highly Degraded Blanket Bog

Based on: Anderson P., Worrall P., Ross S., Hammond G. & Keen A. (2011)

Unlikely remedy: fungicide clears infection from pathogenic fungus in larval southern leopard frogs (Lithobates sphenocephalus)

Based on: Hanlon S.M., Kerby J.L. & Parris M.J. (2012)

Unmanned aerial vehicles mitigate human–elephant conflict on the borders of Tanzanian Parks: a case study

Based on: Hahn N., Mwakatobe A., Konuche J., de Souza N., Keyyu J., Goss M., Chang'a A., Palminteri S., Dinerstein E. & Olson D. (2017)

Unmown refuge areas and their influence on the survival of grassland birds in the Saône valley (France)

Based on: Broyer J. (2003)

Unpalatable plants facilitate tree sapling survival in wooded pastures

Based on: Smit C., Den Ouden J. & Müller-Schärer H. (2006)

Unsprayed field margins - what are we trying to achieve?

Based on: de Snoo G.R. & Chaney K. (1999)

Unsprayed field margins: effects on environment, biodiversity and agricultural practice

Based on: de Snoo G.R. (1999)

Update of the pond slider Trachemys scripta (Schoepff, 1792) records in Navarre (Northern Spain), and presentation of the Aranzadi Turtle Trap for its population control

Based on: Valdeón A., Crespo-Diaz A., Egaña-Callejo A. & Gosá A. (2010)

Upland duck nesting related to land use and predator reduction

Based on: Duebbert H.F. & Kantrud H.A. (1974)

Upland Hay Meadows: What management regimes maintain the diversity of meadow flora and populations of breeding birds?: Natural England review of upland evidence - Natural England Evidence Review, Number 005.

Based on: Pinches C.E., Gowing D.J.G., Stevens C.J., Fagan K. & Brotherton P.N.M. (2013)

Upper Teesdale: changes in upland hay meadow vegetation over the past twenty to thirty years - results presented from botanical surveys: Natural England Commissioned Report (NECR139)

Based on: Natural England (2014)

Uptake and performance of farm-based measures for reducing crop raiding by elephants Loxodonta africana among smallholder farms in Laikipia District, Kenya

Based on: Graham M. & Ochieng T. (2008)

Uptake of petroleum hydrocarbons by the blue mussel (Mytilus edulis L.) after experimental oiling and high pressure, hot water shore cleaning

Based on: Ganning B., Broman D. & Lindblad C. (1983)