Composition and stocks of resource plans species on post-firer area
https://doi.org/10.21266/2079-4304.2023.243.28-45
Abstract
Data on the structure and phytomass of vegetation on the fires of 13-15 years ago are presented. The objects of the study are located in different forest areas of the forest fund of the Republic of Karelia. On the site of the former lichen pine forest, young trees with a predominance of pine and birch are formed at the research objects. Admixture of other species – spruce, aspen and gray alder is represented by single individuals. Differentiation in height and age of all forest-forming species is clearly expressed. The range of height variation is 0.1-5 m, the age variation is from 3 to 17 years. The undergrowth is represented by a small number of species with a total number of 350 copies/ha. The composition of the undergrowth as a percentage is 65 Rowan, 25 Willow, 5 Shadberry, 3 Juniper, 2 Honeysuckle. After a forest fire, a living ground cover was formed at the research sites, including more than 21 species. In the composition of the grass-shrubby tier, heather, cowberry, tussock-grass, reed grass and in the composition of the moss-lichen tier – in one case, green mosses, – a protective coating of 60%, in the other – polytrichum juniper, a protective coating of more than 31%. The total phytomass of living ground cover in the experimental plots was 2156 and 2623 kg/ha. The data obtained can be used in the design of forestry measures on fires of various ages. Data on phytomass of scientific and practical importance are the basis for compiling tables of plant yields by species. The purpose of the study is to establish the species composition and structure of all components of phytocenoses formed on burning, and to determine the phytomass of living ground cover by species.
About the Authors
O. I. Gavrilova
Petrozavodsk State University
Russian Federation
Russian Federation
GAVRILOVA Olga I. – DSc (Agriculture), Professor of the Department of Technology and Organization of the Forest Complex of PetrSU, Associate Professor
185096. Lenin av. 33. Petrozavodsk. Republic of Karelia
A. V. Gryazkin
St. Petersburg State Forestry University named after S.M. Kirov
Russian Federation
Russian Federation
GRYAZKIN Anatoly V. – Professor of the Department of Forestry, Doctor of Biological Sciences
194021. Institutsky lane 5. Letter U. St. Petersburg
Tong Cheng
St.Petersburg State Forestry University
Russian Federation
Russian Federation
CHENG Tong – PhD student of the Forestry Department
194021. Institutsky lane 5. Letter U. St. Petersburg
E. I. Semenova
St.Petersburg State Forestry University
Russian Federation
Russian Federation
SEMENOVA Ekaterina I. – PhD student of the Forestry Department
194021. Institutsky lane 5. Letter U. St. Petersburg
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For citations:
Gavrilova O.I., Gryazkin A.V., Cheng T., Semenova E.I. Composition and stocks of resource plans species on post-firer area. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2023;(243):28-45. (In Russ.) https://doi.org/10.21266/2079-4304.2023.243.28-45
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