{"id":1139,"date":"2018-12-03T14:16:27","date_gmt":"2018-12-03T11:16:27","guid":{"rendered":"https:\/\/jfsi.ru\/?p=1139"},"modified":"2020-07-19T21:53:47","modified_gmt":"2020-07-19T18:53:47","slug":"1-1-2018-sochilova_et_all","status":"publish","type":"post","link":"https:\/\/jfsi.ru\/en\/1-1-2018-sochilova_et_all\/","title":{"rendered":"Assessment of biomass of forest species using satellite images of high spatial resolution (on the example of the forest of Khanty-Mansi Autonomous Okrug)"},"content":{"rendered":"<p style=\"text-align: right;\" align=\"CENTER\"><a href=\"https:\/\/jfsi.ru\/wp-content\/uploads\/2018\/12\/Sochilova_et_all_10.315092658-607X-2018-1-1-1-23.pdf\"><em>full text<\/em><\/a><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\"><strong>E.N. Sochilova<\/strong><\/span><\/span><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><strong>1<\/strong><\/span><\/sup><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><strong>, N.V. Surkov<\/strong><\/span><\/span><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><strong>1,2<\/strong><\/span><\/sup><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><strong>, D.V. Ershov<\/strong><\/span><\/span><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><strong>1<\/strong><\/span><\/sup><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><strong>, V.A. Khamedov<\/strong><\/span><\/span><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><strong>3<\/strong><\/span><\/sup><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span style=\"font-size: 12pt;\"><em><sup><span lang=\"en-US\">1<\/span><\/sup><\/em><\/span><em><span lang=\"en-US\">Center for Forest Ecology and Productivity of the RAS<\/span><\/em><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><em><span style=\"font-size: medium;\"><span lang=\"en-US\">Profsoyuznaya st. 84\/32 bldg. 14, Moscow, 117997, Russia<\/span><\/span><\/em><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><em>2<\/em><\/span><\/sup><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Lomonosov Moscow State University, Moscow, 119991, Russia<\/em><\/span><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: 12pt;\"><sup><span lang=\"en-US\"><em>3<\/em><\/span><\/sup><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Yugra State University, Khanty-Mansiys, 628012, Russia<br \/>\nE-mail: elena@ifi.rssi.ru<br \/>\n<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">Received 30 October 2018<\/span><\/span><\/span><\/p>\n<p id=\"keywords\" align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\"> The paper describes assessment of spatial biomass of top wood layer based on combination of high-resolution Landsat-8 satellite images and selected ground forest inventory data measurements. Test area is one of forestry of <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en\">Khanty-Mansiysk region. Segmentation of satellite images for spectral homogeneous land sites (segments) mapping is applied. Land category, dominated specie, age and wood stock volume for these sites are defined. Ground forest inventory data and segments used for selection of segments for dominated specie classification and validation of obtained map. The first, nine types of land cover are classified, four of them belong to forest cover with dominating of pine, spruce, cider and birch. The reference sample is updated by segments of such non-forest classes as fires, cuts and other non-forested lands, swamps, water internal bodies. Twelve spectral metrics are used for classification: reflectance in blue, green, red and near-infrared bands of Landsat-8. There are following vegetation seasons: and of winter, beginning of spring and middle of summer.<\/span><\/span> <span style=\"font-size: medium;\"><span lang=\"en\">The most significant informative metrics are the reflectance in the NIR band of the spring image, also green and red bands of the summer image. Random Forest algorithm is applied for training classification. The total accuracy of land categories and dominated species classification is 86,3%. Cross-validation of the classification based on the control sample was 0.712. In the second stage, we used regression models to relate the reflectance in the red band of the winter image with the taxation characteristics of the wood stock and age of the forest species in the selected reference segments.<\/span><\/span> <span style=\"font-size: medium;\"><span lang=\"en\">The level of relationship between the reflectance and wood stock values were equal to 0.80 for pine, 0.56 for dark coniferous species and 0.73 for birch. Between the reflectance and the specie height is following 0.75 for pine, 0.61 for birch and 0.64 for dark coniferous species.<\/span><\/span> <span style=\"font-size: medium;\"><span lang=\"en\">A check with control data showed that the error in estimating the wood stock above 250 m<\/span><\/span><sup><span style=\"font-size: medium;\"><span lang=\"en\">3<\/span><\/span><\/sup><span style=\"font-size: medium;\"><span lang=\"en\"> \/ ha for birch is 15.4%, for pine &#8211; 19.0% and for dark coniferous species &#8211; 5.5%. We used regional growth tables and the mean heights reconstructed from the regression equations for calculation mean specie ages.<\/span><\/span> <span style=\"font-size: medium;\"><span lang=\"en\">Then the age groups (according regional felling age) for each species are determined and the wood stocks are converted into wood biomass by conversion coefficients.<\/span><\/span> <span style=\"font-size: medium;\"><span lang=\"en\">As a result, maps of mean ages, heights, wood stock in m<\/span><\/span><sup><span style=\"font-size: medium;\"><span lang=\"en\">3<\/span><\/span><\/sup><span style=\"font-size: medium;\"><span lang=\"en\">\/ha and biomass in t\/ha were created. Based on these maps quarter assessments of the areas and stocks of the main dominated forest species of our test area, including felling age forest stands, were carried out.<\/span><\/span><\/span><\/p>\n<p id=\"keywords\" align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><strong><span lang=\"en-US\"> Key words<\/span><\/strong><span lang=\"en-US\"><strong>:<\/strong>\u00a0<\/span><span lang=\"en-US\"><em>stand biomass, wood stock volume, remote sensing data, Landsat-8, forest classification, Random Forest, forestry<\/em><\/span><\/span><\/p>\n<p align=\"CENTER\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\"><strong>REFERENCES<\/strong><\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Arroyo L.A, Pascual C., Manzanera J. 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Extended abstract of candidate\u2019s agriculture sci. thesis) Ekaterinburg, Ural&#8217;skii gosudarstvennyi lesotekhnicheskii universitet, 2015, 22 p.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Shvidenko A.Z., Shchepashchenko D.G., Nil&#8217;sson S., Bului Yu.I., <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Tablitsy i modeli khoda rosta i produktivnosti nasazhdenii osnovnykh lesoobrazuyushchikh porod severnoi Evrazii (normativno-spravochnye materialy)<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"> (Tables and models of growth and productivity of forests of major forest forming species of Northern Eurasia (standard and reference materials), Moscow: Federal&#8217;noe agentstvo lesnogo khozyaistva, Mezhdunarodnyi institut prikladnogo sistemnogo analiza, 2008, 886 p.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Sochilova E.N., Ershov D.V., Analiz vozmozhnosti opredeleniya zapasov drevesnykh porod po sputnikovym dannym Landsat ETM (Possibility analysis of stem volume of forests assessment using Landsat ETM data), <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, <\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">2012, Vol. 9, No 3, pp. 277-282.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Tokola T., The Influence of field sample data location on growing stock volume estimation in Landsat TM-based forest inventory in Eastern Finland, <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Remote sensing of environment<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">, 2000, Vol. 74, Issue 3, pp. 422-431.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Tokola T., Heikkil\u00e4 J., Improving satellite image based forest inventory by using a priori site quality information, <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Silva Fennica<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">, 1997, No 31 (1), pp. 67-78.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Tyurin Yu.N., Makarov A.A., <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Statisticheskii analiz dannykh na komp&#8217;yutere<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"> (Statistical analysis of data with the computer), Moscow: INFRA-M, 1998, 528 p.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Vinogradov B.V., <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Aerokosmicheskii monitoring ekosistem<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"> (Ecosystem monitoring from air and space), Moscow: Nauka, 1984, 320 p.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">URL:\/\/m-sosva.ru\/? page_id=154<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">URL:http:\/\/ugrales.ru\/files\/7-Deyat\/leshoz\/lhr\/16032018\/Sovetskoe_29_03_2018__18-np.pdf<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Zamolodchikov D.G., Utkin A.I., Chestnykh O.V., Koeffitsienty konversii zapasov nasazhdenii v fitomassu dlya osnovnykh lesoobrazuyushchikh porod Rossii (Coefficients for conversion of timber stock to phytomass for main tree species in Russia), <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Lesnaya taksatsiya i lesoustroistvo,<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">2003, Issue 1(32), pp. 119-127.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Zhang J., Huang S., Hogg E.H., Lieffers V. Qin Y., He F<\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>.<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">, Estimating spatial variation in Alberta forest biomass from a combination of forest inventory and remote sensing data, <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Biogeosciences<\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">, 2014, No 11, pp. 2793-2808.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Zharko V.O., Bartalev S.A., Egorov V.A., Issledovanie vozmozhnostei otsenki zapasov drevesiny v lesakh Primorskogo kraya po dannym sputnikovoi sistemy Proba-V (Possibilities of timber stocks inventory using Proba-V satellite data in Primorsky Krai), <\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\"><em>Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, <\/em><\/span><\/span><span style=\"font-size: medium;\"><span lang=\"en-US\">2018, Vol. 15, No 1, pp. 157-168.<\/span><\/span><\/span><\/p>\n<p align=\"JUSTIFY\"><span style=\"font-family: 'times new roman', times, serif; color: #000000;\"><span style=\"font-size: medium;\"><span lang=\"en-US\">Zheng S., Cao C., Dang Y., Xiang H., Zhao J., Zhang Y., Wang X., Guo H., Retrieval of forest growing stock volume by two different methods using Landsat TM images, <\/span><span lang=\"en-US\"><em>The international journal of remote sensing<\/em><\/span><span lang=\"en-US\">, 2014, No 35, pp. 29-43.<\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>full text E.N. Sochilova1, N.V. Surkov1,2, D.V. Ershov1, V.A. Khamedov3 1Center for Forest Ecology and Productivity of the RAS Profsoyuznaya st. 84\/32 bldg. 14, Moscow, 117997, Russia 2Lomonosov Moscow State University, Moscow, 119991, Russia&#46;&#46;&#46;<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/posts\/1139"}],"collection":[{"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/comments?post=1139"}],"version-history":[{"count":46,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/posts\/1139\/revisions"}],"predecessor-version":[{"id":3344,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/posts\/1139\/revisions\/3344"}],"wp:attachment":[{"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/media?parent=1139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/categories?post=1139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jfsi.ru\/en\/wp-json\/wp\/v2\/tags?post=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}