PPT-Modeling hemlock woolly adelgid risk and impacts of presalvage harvesting on carbon stocks
Author : cheryl-pisano | Published Date : 2018-10-12
Modeling the impacts of hemlock woolly adelgid infestation and presalvage harvesting on carbon stocks in northern hemlock forests Jeffrey Krebs Jen Pontius and
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Modeling hemlock woolly adelgid risk and impacts of presalvage harvesting on carbon stocks: Transcript
Modeling the impacts of hemlock woolly adelgid infestation and presalvage harvesting on carbon stocks in northern hemlock forests Jeffrey Krebs Jen Pontius and Paul Schaberg Mapping relative risk of HWA impacts on hemlock growth across the northeast. Repeated attacks weaken trees cause twig gouting kill branches and over the course of several years cause trees to die What is at risk There are nearly 19 billion balsam fir trees in Mi chigans forests And as the third largest Christmas treegrowing Other factors can influence the impact of the hemlock woolly adelgid. Other insects, such as elongate hemlock such as biological, chemical, cultural, and silvicultural control to reduce the populatio By: Joe Beck III and . Tayler. . Termeer. Conium . maculatum. A member of the parsley family. Up to 6 . ft. tall and has purple spots on the stem. . Grows on fertile soils across the U.S.. Quiz 3. (Use the terms & concepts list in the MESA Day Handbook along with the “Rainwater Harvesting for . Drylands. ” resource book). Pollutant . that comes from many diffuse . sources: . _________ ______ ________. Tennessee Division of Forestry. Background History of HWA. Hemlock woolly adelgid (HWA) (. Adelges tsugae) . is a non-native insect pest that kills native eastern and carolina hemlocks. . (. Tsuga canadensis . at the Spectral Curves of Hemlocks Infested With Hemlock Woolly . Adelgid. Cole . Williams, Forestry Major, Department of Natural Resources. cju97@wildcats.unh.edu. Methods. Sampling. – I sampled by filling a one gallon Ziploc bag with foliage. I moistened some tissue to seal in with each bag to keep the samples from drying out. . Distinctive featuresHemipteranWhite wooly massesAdults dark purple to blackAbout 1 mm FlightlessFirst instars and crawlers amberOnly females in North AmericaASEXUAL REPRODUCTION! http://bugguide.net/n Figure 1: Insecticide applied as a soil drench. Figure 2: Insecticide can be injected into the soil around hemlock trees. Rev. 06/10 Foliar Treatments: This refers to treatments that kill adelg Background History of HWA. Hemlock woolly . adelgid. (HWA) . (. Adelges. . tsugae. ) . is a non-native insect pest that kills native eastern hemlock . (. Tsuga. . canadensis. ). . HWA was first discovered in Virginia in 1951 and as of 2012 has spread to 18 eastern states where it has significantly altered or reduced native hemlock populations . these assist . the draining away of water.. What is rainwater harvesting. Rainwater harvesting means capturing rain where it falls or capturing the run off in your own village or town. It involves taking measures to keep that water clean by not allowing polluting activities to take place in the catchment area. Rainwater from rooftops should be carried through downtake water pipes or drains to . cast. Junhui. Zhao, Douglas A. Maguire, Douglas B. Mainwaring, Alan . Kanaskie. Background. Young Douglas-fir plantations (≤40 yr) are tremendously important to the economic and environmental health of Oregon and Washington due to their extent and productivity (Campbell et al. 2004, Gray et al. 2005). . Klaus Scott. California Air Resources Board. 1504 HWP Carbon Workshop April 27, 2018. Motivation. AB 32 (2006). AB 1803 (2007). AB 1504 (2011). SB 859 (2016). SB 32 (2016). AB 398 (2017). http://www.climatechange.ca.gov/state/legislation.html. A modest outlook has been witnessed in the rolling stocks market in the past decade, in line with significant railway infrastructure investments made by national governments. astern emlockTsuga canadensisLLtered stands in nearly every partof the stateBest growth is attained onmoistcool sitesIt generally attains aeetand a diameter of23 feetThe terminal shoot droopsand bends
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