تأثیر پوشش های گیاهی و مدیریت زمین بر بخش های کربن آلی خاک در حوضه گنبد، همدان

آب و خاک

مقاله 4، دوره 30، شماره 6 - شماره پیاپی 50، اسفند 1395، صفحه 1964-1977  

نوع مقاله: مقالات پژوهشی

شناسه دیجیتال (DOI): 10.22067/jsw.v30i6.38407

نویسندگان

خدیجه سالاری نیک¹؛ محسن نائل ¹؛ قاسم اسدیان²؛ علی اکبر صفری سنجانی ¹

¹دانشگاه بوعلی سینا همدان

²مرکز تحقیقات کشاورزی منابع طبیعی همدان

چکیده

کربن آلی خاک در اثر فرآیندهای چرخه ای نظیر ورود بقایای گیاهی و نوع پوشش گیاهی مستقر در آن دائماً در تغییر است. به منظور بررسی تآثیر پوشش های گیاهی مختلف بر بخش های کربن آلی خاک، پنج تیپ گیاهی مرتعی شامل گندمیان، گون-بروموس، گون-جارو، گون-درمنه و گون-فرفیون در زیرحوضه های شاهد و حفاظت شده ی حوضه گنبد، و یک تیپ زراعی (گندم دیم)، در شرایط محیطی مشابه از نظر اقلیم کلان، مواد مادری و جهت شیب در همدان مطالعه شد. کربن آلی کل، ذخیره کربن، ذخیره کربن اصلاح شده با شن، کربن فعال، کربن فعال اصلاح شده با کربن، کربوهیدرات، کربوهیدرات اصلاح شده با کربن، تنفس پایه و تنفس پایه اصلاح شده با کربن در دو فصل پاییز و بهار در لایه خاک سطحی (15-0 سانتی متر) اندازه گیری شد. کربن آلی، ذخیره کربن، کربوهیدرات و تنفس پایه در تیپ های گون-بروموس و گون-درمنه به طور معنی داری بیشتر از دیگر تیپ ها بودند و کمترین مقدار این شاخص ها در تیپ های گندمیان و گندم دیم مشاهده شد. بیشترین و کمترین مقدار کربن فعال به ترتیب در تیپ گون-بروموس و تیپ گندم دیم (به ترتیب 7/711 و 6/262 میلی گرم بر کیلوگرم) مشاهده شد. کربوهیدرات اصلاح شده در تیپ گون-فرفیون به طور معنی داری کمتر از همه تیپ ها بود. اثر فصل بر تمام شاخص ها، به غیر از کربن فعال اصلاح شده، کربوهیدرات و تنفس پایه معنی دار بود. مقدار کربوهیدرات اصلاح شده بر خلاف دیگر شاخص ها، به طور معنی داری در فصل پاییز بیشتر از فصل بهار بود. در کل، نوع پوشش گیاهی و مدیریت زمین بیشترین تأثیر را بر شاخص های ذخیره کربن، کربن فعال و کربوهیدرات نشان داد.

کلیدواژه‌ها

تنفس پایه؛ تیپ گیاهی؛ کربن فعال؛ کربوهیدرات؛ کیفیت خاک

مراجع

1- Abdi N. 2005. Estimation of carbon sequestration by Astragalus in the Markazi and Isfahan provinces. PhD thesis of rangeland Sciences, Islamic Azad University, Science and Research Branch, Tehran. (in Persian with English abstract)

2- Alexander M. 1977. Introduction to Soil Microbiology. John Wiley & Sons, New York.

3- A´lvaro-Fuentes J., Lo´ pez M.V., Arru´ e J.L., and Cantero-Martı´nez C. 2008. Management effects on soil carbon dioxide fluxes under semiarid Mediterranean conditions. Soil Science Society of America Journal, 72 (1): 194–200.

4- Angers D. A., and Mehuys G. R. 1989. Effects of cropping on carbohydrate content and water-stable aggregation of a clay soil. Canadian Journal Soil Science, 69: 373–380.

5- Anonymous. 2008. Meteorological Information Center of Iran (Hamadan), Statistics and information Meteorological Station of Hamedan. Available at: www.hamedanmet.ir.

6- Aparicio V., and Costa J.L. 2007. Soil quality indicators under continuous cropping systems in the Argentinean pampa. Soil & Tillage Research, 96: 155–165.

7- Augustine D. J., and McNaughton S. J. 1998. Ungulate effects on the functional species com- position of plant communities, herbivore selectivity and plant tolerance. J.Wil Manage, 62: 1165–1183.

8- Aziz I., Mahmood T., Raut Y., Lewis W., Islam R., and Weil R.R. 2009. Active organic matter as a simple measure of field soil quality. In: Acoustical Society of America International Meetings, Pittsburg, PA.

9- Bahrami A. 2012. Modeling soil organic carbon dynamics using APEX Gonbad paired watersheds. Master's thesis. Bu Ali Sina University. Faculty of Agriculture. (in Persian with English abstract)

10- Baldock J. A., and Oades. 1992. Aspects of the chemical structure of soil organic material as revealed by solidstate. Soil Biology & Biochemistry, 16: 1-42.

11- Baldock J.A., and Skjemstad J.O. 2000. Role of the soil matrix and minerals in protecting natural organic materials against biological attack. Organic Geochemistry 31: 697-710.

12- Bargdett R. D., Wardle D. A., and Yeates G. 1998. Linking above-ground and below-ground interactions: How plant responses to foliar herbivory infl uence soil organisms. Soil Biology & Biochemistry, 14: 1867–1878.

13- Basile-Doelsch I., Amundson R., Stone W.E.E., Borschneck D., Bottero J.Y., Moustier S., Masin F., and Colin F. 2007. Mineral control of carbon pools in a volcanic soil horizon. Geoderma, 137: 477-489.

14- Bilotta G.S., Brazier R. E., and Haygarth P. M. 2007. The impact of grazing animals on the quality of soils, vegetation, and surface waters in intensively managed grasslands. Advances in Agronomy, 94: 273-280.

15- Boone R. D., Nadelhoffer K. J., Canary J. D., and Kaye J. P. 1998. Roots exert a strong influence on the temperature sensitivity of soil respiration. Nature, 396: 570–572.

16- Bruun T. Bech., Elberling B., and Christensen B. T. 2010. Lability of soil organic carbon in tropical soils with different clay minerals. Soil Biology & Biochemistry, 42: 888-895.

17- Cardelli R., Marchini F., and Saviozzi A. 2012. Soil organic matter characteristics, biochemical activity and antioxidant capacity in Mediterranean land use systems. Soil & Tillage Research, 120: 8-14.

18- Cheshire M.V. 1979. Nature and Origin of Carbohydrates in Soils. Academic Press, London.

19- Doran J. W., and Jones A.J. 1996. Methods for Assessing Soil Quality. Soil Science Society of America Special Publication, vol. 49. Soil Science Society of America Journal, Madison, WI. 410pp.

20- Dubois M., Gilles K. A., Hamilton J. K., Rebers P. A., and Smith F. 1956. Colorimetric method of determination of sugars and related substances. Analytical Chemistry, 28: 350–356.

21- Franzluebbers A.J. 2010. Soil organic carbon in managed pastures of the southeastern United States of America. P. 168-175. In: M. Abberton et al. (ed) Grassland Carbon Sequestration: Management, Policy and Economics. Integrated Crop Manage, vol. 11. Food and Agriculture Organization of the United Nations Rome, Italy, p. 163-175.

22- Franzluebbers A. J., Haney R. L., Honeycutt C. W., Arshad M. A., Schomberg H. H., and Hons F. M. 2001. Climatic influences on active fractions of soil organic matter. Soil Biology & Biochemistry, 33(7–8): 1103–1111.

23- Grandy A. S., Strickland M. S., Lauber C. S., Bradford M. A., and Fierer N. 2009. The influence of microbial communities, management, and soil texture on soil organic matter chemistry. Geology, 150: 278–286.

24- Greenland D. J., and Oades J. M. 1975. Saccharides. P. 213-261. In J. E. Gieseking (ed) Soil Components. Vol. I. Springer-Verlag. New York.

25- Gregorich E.G., Carter M.R., Angers D.A., Monreal C.M., and Ellert B.H. 1994. Towards a minimum data set to assess soil organic matter quality in agricultural soils. Canadian Journal Soil Science, 74: 367–385.

26- Grogan P., and Chapin F. S. 1999. Arctic soil respiration: Effects of climate and vegetation depend on season. Ecosystem, 2(5), 451–459.

27- Hook P.B., Burke I.C., and Lauenroth W.K. 1991. Heterogeneity of soil and plant N and C associated with individual plants and openings in North-American shortgrass steppe. Plant and Soil, 138 (2): 247–256.

28- Isermeyer H. 1952. Eine einfache Methode sur Bestimmung der Bodenatmung and der carbonate in Boden. Z Pflanzanernah Bodenk. 56: 26-38.

29- Islam K. R., and Weil R. R. 2000. Soil quality indicator properties in mid-Atlantic soils as influenced by conservation management. Soil and Water Conservation, 54:69–78.

30- Javaheri khah S. 2014. The effect of vegetation type on some indicators of physical, chemical and biochemical soil quality in Gonbad Watershed, Hamadan. (in Persian with English abstract)

31- Jia B., Zhou G., Wang F., Wang Y., and Weng E. 2007. Effects of grazing on soil respiration of Leymus chinensis steppe. Climatic Change. 82: 211–223.

32- Jonasson S., Castro J., and Michelsen A. 2004. Litter, warming and plant affect respiration and allocation of soil microbial and plant C, N and P in Arctic mesocosms. Soil Biology & Biochemistry, 36: 1129–1139.

33- Juma N. G. 1993. Interrelationships between soil structure/texture, soil biota/soil organic matter and crop production. Geoderma. 57:3–30.

34- Kelly R.H., Burke I.C., and Lauenroth W.K. 1996. Soil organic matter and nutrient availability responses to reduced plant inputs in short grass steppe. Ecology, 77 (8): 2516–2527.

35- Klein J., Hart J., and XQ Z. 2007. Experimental warming, not grazing, decreases rangeland quality on the Tibetan Plateau. Ecological Applications, 17 (2): 541-557.

36- Ladd J. N., Foster R. C., and Skjemstad J. O. 1993. Soil structure: carbon and nitrogen metabolism. Geoderma, 56:401–434.

37- Li X.G., Li F.M., Singh B., Rengelc Z., and Zhan Z. Y. 2007. Soil management changes organic carbon pools in alpine pastureland soils. Soil & Tillage Research, 93: 186–196.

38- Manuel P.F., Susanne S., J. Francisco L.C., Isabel M. M., and Raúl O. P. 2013. Soil organic matter of Iberian open woodland rangelands as influenced by vegetation cover and land management. Catena, 109: 13–24.

39- McCulley R.L., Archer S.R., Boutton T.W., Hons F.M., and Zuberer D.A. 2004. Soil respiration and nutrient cycling in wooded communities developing in grassland. Ecology, 85: 2804–2817.

40- Oades J.M. 1967a. Carbohydrates in some Australian soils. Australian Journal of Soil Research, 5: 103-115.

41- Ohtonen R., and Vare H. 1998. Vegetation composition determines microbial activities in a boreal forest soil. Microbial Ecology, 36(3): 328–335.

42- Raiesi F., and Asadi E. 2006. Soil microbial activity and litter turnover in native grazed and ungrazed rangelands in a semiarid ecosystem. Biology and Fertility of Soils, 43: 76–82.

43- Ramos M.E., Robles A.B., Sanchez-Navarro A., and Gonzalez-Rebollar J.L. 2011. Soil responses to different management practices in rainfed orchards in semiarid environments. Soil and Tillage Research, 112: 85–91.

44- Reeves D.W. 1997. The role of soil organic matter in maintaining soil quality in continuous cropping systems. Soil & Tillage Research, 43 (1–2): 131–167.

45- Saggar S., Parshotam A., Sparling G.P., Feltham C.W., and Hart P.B.S. 1996. 14C-labelled ryegrass turnover and residence times in soils varying in clay content and mineralogy. Soil Biology and Biochemistry, 28: 1677-1686

46- Salinas-Garcıa J.R., Velazquez-Garcıa J.D.J., Gallardo-Valdez M., Dıaz-Mederos P., Caballero-Hernandez F., Tapia-Vargas L.M., and Rosales-Robles E. 2002. Tillage effects on microbial biomass and nutrient distribution in soils under rain-fed corn production in central-Western Mexico. Soil & Tillage Research, 66 (2): 143-152.

47- Schuman G.E., Janzen H., and Herrick J.E. 2002. Soil Carbon Information and Potential Carbon Sequestration by Rangelands. Environmental Pollution, 116: 391-396.

48- Sparling G. P. 1992. Ratio of microbial biomass to soil organic carbon as a sensitive indicator of changes in soil organic matter. Australian Journal of Soil Research, 30: 195–207.

49- Spohn M., and Giani L. 2011. Total, hot water extractable and oxidation-resistant carbon in sandy hydromorphic soils-Analysis of a 220-year chronosequence. Plant and Soil. 338: 183e192.

50- Stark S., Tuomi J., Strömmer R., and Helle T. 2003. Non-parallel changes in soil microbial carbon and nitrogen dynamics due to reindeer grazing in northern boreal forests. Ecography, 26: 51–59.

51- Tisdall J. M., and Oades J.M. 1982. Organic matter and water stable aggregates in soils. Journal Soil Science. 33: 141–163.

52- Vagen T.G., Andrianorofanomezana M.A.A., and Andrianorofanomezana S. 2006. Deforestation and cultivation effects on characteristics of Oxisols in the highlands of Madagascar. Geoderma, 131: 190-200.

53- Walkley A., and Black I. A. 1934. An examination of Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid in soil analysis. Experimental soil science, 79: 459-465.

54- Weil R.R., Islam K.R., Stine M.A., Gruver J.B., and Samson-Liebig S.E. 2003. Estimating active carbon for soil quality assessment: a simplified method for laboratory and field use. American Journal of Alternative Agriculture, 18: 3–17.

55- Wander M.M., Walter G.L., Nissen T.M., Billero G.A., Andrews S.S., and Cavanaugh-Grant D.A. 2002. Soil quality: science and process. Agronomy, 94: 23–32.

56- Wilsey B. J., Parent G., Roulet N. T., Moore T. R., and Potvin C. 2002. Tropical pasture carbon cycling, relationships between C source/sink strength, above-ground biomass and grazing. Ecology Letters, 5: 367–376.