Production potential of photosynthesis in forest ecosystems of the low mountain Pokuttya (Ukrainian Carpathians)

  • S. Y. Milevskaya Institute of Ecology of the Carpathians of the National Academy of Sciences of Ukraine
Keywords: forest, productivity, balance carbon, oxygen, energy

Abstract

The aim of the study was testing on the example of a model region a method of estimation of the production potential of forest ecosystems and the consequences of anthropogenic changes there. The object of study is a typical Carpathian lower mountain forest in the basin of the river Lyuchka, an area of 14,806 ha. It has long undergone considerable agricultural transformations. Studies were based on cartographic modeling of modern anthropogenically transformed biogeocenotic cover using large scale satellite images. The main types of biogeocenotical cover were defined according to the altitudinal zonation of vegetation of the parts of the mountain terrain and the prevailing types of soil and hydrological conditions. For analytical procedures a database of materials describing the biometric features of the forests was created. It is possible to perform calculations of average and potential biometrical parameters of stands growing in different climatic, soil and hydrological conditions. The structure and the biological diversity of different vegetation types was determined by construction of mapping models of spatial structures of the basic types of biogeocenotic cover. The biological productivity of the main types of forest ecosystems was determined on base of the volume of timber stands. The mass of dry wood was determined taking into account its size and standard density of wood of different tree species. Calculation of the total volume of forest biomass was performed using the conversion factors of weight relative to the trunk timber volume. The mass of carbon deposited accounted for 50% of the total biomass. The average annual growth of biomass and carbon deposited was determined by dividing the volume of the stands by their average age. Calculation of phytocenosis consumed as a result of photosynthesis reaction of CO2, H2O and light energy was performed taking into account corresponding material and energy ratios. In general, in the course of one year the biogeocenotic cover of the model lowland area could deposit as a result of photosynthesis for the restoration of potential vegetation cover 43.3 ths. tons of carbon, while consuming 159 ths. t of CO2 and 65.2 ths. t of H2O and 1,724 ∙ 103 GJ of light energy, which is equivalent to 479 GW ∙ hour. During this process O2 – 115.7 ths. t would be emitted into the atmosphere. In terms of 1 hectare, this is equal to C – 2.92 t ∙ ha–1, CO2 – 10.7 t ∙ ha–1, H20 – 4.4 t ∙ha–1, O2 – 7.8 t ∙ ha–1, E – 116.4 GJ ∙ ha–1, which is equivalent to 32.3 MW ∙ h ∙ ha–1. The total production capacity of photosynthesis of the modern biogeocenotic cover model area is 38% of the potential. As a result, the energy loss is 20 MW ∙ h–1 ∙ ha–1 light energy to 1.9 t ∙ ha–1 less than the deposited carbon 6.7 t ∙ ha–1 less carbon dioxide used, 2.8 t ∙ ha–1 water is not used, 3.9 t ha–1 oxygen is not returned to the atmosphere. The large specific amount of unused resources of productivity of biogeocenotic cover, carbon dioxide, light energy, untranspired moisture in the air and unemitted oxygen can cause a significant impact on local climatic conditions. 

References

Bobyliov, Y.P., Brygadyrenko, V.V., Bulakhov, V.L., Gaichenko, V.A., Gasso, V.Y., Didukh, Y.P., Ivashov, A.V., Kucheriavyi, V.P., Maliovanyi, M.S., Mytsyk, L.P., Pakhomov, O.Y., Tsaryk, I.V., Shabanov, D.A., 2014. Ekologija [Ecology]. Folio, Kharkiv (in Ukrainian).

Calder, I.R., Reid, I., Nisbet, T., Armstrong, A., Green, J.C., Parkin, G., 2002. Study of the potential impacts on water resources of proposed afforestation. Loughborough University report to the Department for environment, food and rural affairs (Defra). Loughborough University, Loughborough.

Energy and Climate Change, 2015. World Energy Outlook Special Report. International Energy Agency. Paris.

Golubec’, M.A., Maryskevych, O.G., Kozlovs’kyj, M.P., Kozak, I.I., Krok, B.O., Javornyc’kyj, V.I., Proc’, B.G., Shevchuk, A.I., Shpakivs’ka, I.M., Bashta, A.T.V., Kozlovs’kyj, V.I., 2001. Ekologichna sytuacija na pivnichno-shidnomu makroshyli Ukrai’ns’kyh Karpat [The ecological situation in the north-east macroslope of Ukrainian Carpathians Mts.]. Polli, L’viv (in Ukrainian).

Greig, M., Bull, G., 2009. Carbon management in British Co-lumbia’s forests: Opportunities and challenges.

Haverd, V., Raupach, M.R., Briggs, P.R., Canadell, J.G., Davis, S.J., Law, R.M., Meyer, C.P., Peters, G.P., Pickett-Heaps, C., Sherman, B., 2013. The Australian terrestrial carbon budget. Biogeosciences 10, 851–869. >> doi:10.5194/bg-10-851-2013

Heerwaarden, C.C., Teuling, A.J., 2014. Disentangling the response of forest and grassland energy exchange to heatwaves under idealized land–atmosphere coupling. Biogeosciences 11, 6159–6171.

Justice, C., Wilkie, D., Zhang, Q., Brunner, J., Donoghue, C., 2001. Central African forests, carbon and climate change. Climate Res. 17, 229–246. >> doi:10.3354/cr017229

Kirschbaum, M.U.F., 2004. Direct and indirect climate change effects on photosynthesis and transpiration. Plant Biology 6, 242–253.

Kolomynova, M.V., 2010. Fizicheskie svojstva drevesiny: Metodicheskie ukazanija dlja studentov special’nosti 250401 «Lesoinzhenernoe delo» [Physical properties of wood: Methodical instructions for students of specialty 250401 "Forestry Engineer Business"]. UGTU, Uhta (in Russian).

Lashhenko, A.G., 2004. Produktyvnist’, fitomasa ta deponovanyj vuglec’ shtuchnyh dubovyh derevostaniv Podillja [Productivity, phytomass and deposited carbon artificial oak stands of Podillya]. Nac. Agrarn. Univ., Kyiv (in Ukrainian).

Martin, J.H., Waldren, R.P., Stamp, D.L., 2006. Principles of field crop production. Pearson Prentice Hall, Boston.

Mercado, L.M., Lloyd, J., Dolman, A.J., Sitch, S., Patino, S., 2009. Modelling basin-wide variations in Amazon forest productivity. Part 1: Model calibration, evaluation and scaling functions for canopy photosynthesis. Biogeosci. Discuss. 6, 2965–3030.

Milevs’ka, S.J., 2002. Do istorii’ osvojennja biogeocenotychnogo pokryvu verhiv’ja basejnu richky Ljuchky [To the history of mastering of the biogeocenotic cover upper reaches of the river Luchka drainage-basin]. Naukovi Osnovy Zberezhennja Biotychnoi’ Riznomanitnosti 4, 65–69 (in Ukrainian).

Milevs’ka, S.J., 2004. Suchasna transformacija lisiv verhiv’ja basejnu richky Ljuchky [Contemporary transformation forests of the river Luchka drainage-basin]. Naukovyj visnyk UkrDLTU 14(7), 49–51 (in Ukrainian).

Mіlevs’ka, S.J., 2014. Cenotichna asocіjovanіst’ pіsljalіsovih luk pokuts’kogo niz’kogіr’ja [Coenotic associatively of after forest meadow in Pokuttia low mountains]. Praci Naukovogo Tovarystva im. Shevchenka 39, 141–150 (in Ukrainian).

Milevskaya, S.Y., 2013. Zminy struktury lisiv hirs’koyi chastyny baseynu richky Lyuchky uprodovzh 1967–2010 rokiv [Changes in the forests structure of the mountain part of Lyuchka river basin during 1967–2010]. Naukovyy Visnyk of Natsional’nyy Lisotekhnichnyy Universytet Ukrayiny 23(18), 22–27 (in Ukrainian).

Milevskaya, S.Y., 2014. Sovremennoe sostojanie lesnoj rastitel’nosti Berezovskogo lesnichestva (Pokutsko-Bukovinskie Karpaty) [Current status of vegetation of Berezovsky forestry (Pokuttya-Bucovina Carpathians)]. Zarządzanie a ochroną przyrody w lasach. Management of Environmental Protection in Forests 8, 179–187 (in Russian).

Milevskaya, S.Y., 2015. Osoblyvosti pohidnyh berezovyh molodnjakiv u nyz’kogir’i’ Pokuttja (Ukrai’ns’ki Karpaty) [Features of secondary birch young stands in low mountain Pokuttya (Ukrainian Carpathian mts.)]. Vìsn. Dnìpropetr. Unìv. Ser. Bìol. Ekol. 23(2), 203–209 (in Ukrainian).

Moroz, K.O., Brygadyrenko, V.V., Pakhomov, A.Y., 2011. Formirovanije fauny napochvennykh bespozvonochnykh peschanoj terrasy r. Orel’ v uslovijakh pirogennoj sukcessii [Litter invertebrates fauna formation of the sandy terrace of Orel’ river in condition of post-fire succession]. Proc. of the Azerbaijan Soc. of Zool. 3, 423–435 (in Russian).

Neumann, M., Zhao, M., Kindermann, G., Hasenauer, H., 2015. Comparing modis net primary production estimates with terrestrial national forest inventory data in Austria. Remote Sensing 7, 3878–3906. >> doi:10.3390/rs70403878

Newman, G.S., Arthur, M.A., Muller, R.N., 2006. Above- and belowground net primary production in a temperate mixed deciduous forest. Ecosystems 9, 317–329. doi:10.1007/s10021-006-0015-3

Nisbet, T.R., 2002. Implications of climate change: Soil and water. In: Broadmeadow M.S.J. (ed.). Climate change and UK forests. Forestry Commission, Edinburgh. Bulletin 125, 53–68.

Nisbet, T.R., 2005. Water use by trees. Information note of forest research. Forestry Commission, Edinburgh.

Noormets, A., Epron, D., Domec, J.C., McNulty, S.G., Fox, T., Sun, G., King, J.S., 2015. Effects of forest management on productivity and carbon sequestration: A review and hypothesis. Forest Ecol. Manag. 355, 124–140. >> doi:10.1016/j.foreco.2015.05.019

Pajtík, J., Konôpka, B., Marušák, R., 2013. Above-ground net primary productivity in young stands of beech and spruce. Lesnícky časopis – Forestry Journal 59(3), 154–162.

Peng, C., Apps, M.J., 1999. Modelling the response of net primary productivity (NPP) of boreal forest ecosystems to changes in climate and fire disturbance regimes. Ecol. Model. 122, 175–193. >> doi:10.1016/S0304-3800(99)00137-4

Pretzsch, H., 2009. From primary production to growth and harvestable yield and vice versa: Specific definitions and the link between two branches of forest science. Forest dynamics, growth and yield: From measurement to model. Springer-Verlag, Berlin Heidelberg. 41–99. >> doi:10.1007/978-3-540-88307-4_2

Schlesinger, W.H., Jasechko, S., 2014. Transpiration in the global water cycle. Agr. Forest Meteorol. 189–190, 115–117.

Seidl, R., Schelhaas, M-J., Lexer, M.J., 2011. Unraveling the drivers of intensifying forest disturbance regimes in Europe. Glob. Change Biol. 17, 2842–2852. >> doi:10.1111/j.1365-2486.2011.02452.x

Tretjak, P.R., Chernevij, J.І., 2011. Pryrist derevostaniv starshogo viku: Ekologichnyj aspect [Increase of old-age stands: Ecological potential]. Proceedings of the National Academy of Sciences of Ukraine 6, 203–208 (in Ukrainian).

Vasylyshyn, R.D., 2013. Ocinka vmistu energii’ u fitomasi derev golovnyh lisotvirnyh porid Ukrai’ns’kyh Karpat [Evaluation of the energy content in phytomass of main forest form species trees in Ukrainian Carpathians]. Bioresursy i Pryrodokorystuvannja. 5, 102–110 (in Ukrainian).

Vasylyshyn, R.D., Bokoch, V.V., Vasylyshyn, O.M., Terent’jev, A.J., 2012. Struktura fitomasy lisovyh biocenoziv Karpats’kogo Nacional’nogo Pryrodnogo Parku. [The structure of the phytomass of forest biocenoses of Carpathian National Park]. Naukovyy Visnyk of Natsional’nyy Lisotekhnichnyy Universytet Ukrayiny 22(4), 77–85 (in Ukrainian).

Vasylyshyn, R.D., Domashovec’, G.S., Vasylyshyn, O.M., 2014. Bioproduktyvnist’ hvojnyh nasadzhen’ Ukrai’ns’kyh Karpat [Productivity conifer forests in the Ukrainian Carpathians]. Naukovyj Visnyk Nacional’nogo Universytetu Bioresursiv i Pryrodokorystuvannja Ukrai’ny. 198(2), 9–15 (in Ukrainian).

Waring, R.H., Landsberg, J.J., Williams, M., 1998. Net primary production of forests: A constant fraction of gross primary production. Tree Physiol. 18, 129–134. >> doi:10.1111/j.1365-2486.2011.02452.x

Published
2016-02-09
Section
Articles