Project Proposal: Characterization of Tree Crown Attributes with High Resolution Fixed-Base Aerial Photography. by Rich Grotefendt and Rob Harrison

Transcription

1 Poject Poposal: Chaacteization of Tee Cown Attibutes with High Resolution Fixed-Base Aeial Photogaphy by Rich Gotefendt and Rob Haison

2 Funding Acknowledgments of Past Wok Pesented Alaska Depatment of Natual Resouces Bitish Columbia Ministy of Foests Alaska Woking Goup on Coopeative Foesty Fisheies Reseach National Maine Fisheies Sevice, Juneau, Alaska National Maine Mammal Laboatoy Nothwest Indian Fisheies Commission, Olympia, Washington Plum Ceek Timbe Company Pinceton Univesity Sealaska Copoation Simpson Timbe Company Smithsonian Topical Reseach Institute U.S.D.A. Foest Sevice, Alaska Region, Regional Office Timbe Management, Juneau, AK U.S.D.A. Foest Sevice, PNW Reseach Station, Seattle and Juneau Washington State Depatment of Natual Resouces, Timbe, Fish, & Wildlife Coopeative Monitoing, Evaluation, and Reseach Committee Collaboatos Doug Matin, Stephanie Bohlman, Phil Peteson, Dave Schuett-Hames, Jeff Light, Bill Wilson, Sando Veess, Randy Faibanks, Kamal Ahmed, Steve Reutebuch Chaacteization of Tee Cown Attibutes Gotefendt, Haison

3 The utility of emote sensing Foesty backgound Encounteed foest management and envionmental assessment poblems in Washington, Alaska, Panama Lage amounts of data equied Chaacteization of Tee Cown Attibutes Gotefendt, Haison

4 Photogammety Using cameas as a suvey tool to collect photogaphy fom which eliable measuements and infomation can be obtained. Two main geometic appoaches to collecting photogaphy: Single camea Paied cameas (i.e. fixed-base) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

5 Photo collection equipment Chaacteization of Tee Cown Attibutes Gotefendt, Haison

6 Photo measuement devices Analog device Analytical Steeo Plotte Model: AP190 Softcopy device Digital Steeo Plotte Softwae Type: DAT/EM Chaacteization of Tee Cown Attibutes Gotefendt, Haison

7 Types of data collected and analyses pefomed Tee height and exposed-cown aea 2008, Bao Coloado Island, Panama Chaacteization of Tee Cown Attibutes Gotefendt, Haison

8 tag 5532 Jacaanda copaia height=29.0 m dbh=72 cm sun-exposed cown aea=141.3 m 2 The tunk location of a single tee is highlighted with coesponding infomation fom the steeophotos and foest inventoy data by Stephanie Bohlman. Wok by Stephanie Bohlman Site: Bao Coloado Island, Panama Canal 2000 photogaphy Sun-exposed cown aea (Relationship between dbh and ECA allomety Chaacteization of Tee Cown Attibutes Gotefendt, Haison

9 Liana digitizing=yellow; tee cowns=ed (by Stephanie Bohlman) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

10 Photo estimated diamete at beast height (dbh) The photo estimated dbh absolute diffeences fom field measuements fo Contol Lake, Alaska. PDBH = * Log10(CA) -.001(PCC) (H) Equation 22 whee PDBH = photo pedicted diamete at beast height (in); CA = cown aea (sq. ft.); PCC = plot cown closue (pecent as a decimal); and H = photo tee height (ft) (Gotefendt, 2005). Chaacteization of Tee Cown Attibutes Gotefendt, Haison

11 1:2,000 photo scale Detail pemits individual tee volume estimation compaable to field timbe cuise Enlagement showing detail visible Chaacteization of Tee Cown Attibutes Gotefendt, Haison

12 Photo pedicted individual tee volume (gbf32) Field estimated individual tee volume (gbf32) by Foest Sevice Supestand equation Photo estimated individual tee volume equation, southeast Alaska (n tees =109) GBF32 = (H) 4, (R 2 = 0.973, SE = gbf32) whee GBF32 = goss boad foot volume 32 foot log scale and ; H = photo tee height (ft) fo all species combined. Sepaate species equations incopoated cown aea (CA). (Gotefendt, 2005) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

13 Photo measued ipaian buffe vaiables Tee height and type Down tees and stumps Spatial position Popotional change in density Down tee decay class and landing spot Aea and bankfull width Density (numbes pe unit aea) # # # # % % % % # # # % # # # % # % # % steam bankfull edge down tee # small end % lage end conife # snag $ stump # connecting point steam width each length 10 m buffes # Metes # A0663LR1 Chaacteization of Tee Cown Attibutes Gotefendt, Haison

14 Stand Management Coopeative Canopy Chaacteization Pilot Study Appoach Visit a few sites close to Shelton aipot to minimize helicopte commute time. Paied tee location sites by Kim Littke Chaacteization of Tee Cown Attibutes Gotefendt, Haison

15 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Cown volume (fom a blanket of cown suface coodinates) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

16 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Foliage Health (by photo intepetation of foliage condition) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

17 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Aveage banch length pe whol with distance fom top Chaacteization of Tee Cown Attibutes Gotefendt, Haison

18 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Cown fullness (# of banches pe cubic mete) Chaacteization of Tee Cown Attibutes Gotefendt, Haison

19 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Aveage distance to neighboing tees with cown contact Chaacteization of Tee Cown Attibutes Gotefendt, Haison

20 Potential photo measued, cown attibute vaiables indicative of fetilize esponse. Cown volume Foliage Health Aveage banch length Cown fullness Competition Chaacteization of Tee Cown Attibutes Gotefendt, Haison