Assessment of plant biological diversity and soil characteristics in the pure ash tree stand and in mixture with beech (a case study of Lavij-Noor, Iran)
The present study has been done to evaluate the impact of pure ash stand and mixed stand with beech on the herb layer biodiversity and soil properties in the forests of Noor city. There is a unique stand of ash in the forests of Noor city and at 1,900–2,100 m a.s.l., which is rarely seen like that in the northern forests of Iran. Shannon-Wiener diversity indices (H’), Simpson index of dominance (D), Margalef richness (R1) and Pielou’s evenness were used to analyse biodiversity. Sampling was also conducted to investigate physical and chemical properties of soil (bulk density, acidity, electrical conductivity, soil moisture, soil lime, nitrogen and organic carbon) in each sample plot and at two depths (10 and 20 cm). The total number of 26 soil samples (13 soil samples at either depth) in pure ash stand and 24 soil samples (12 soil samples at either depth) from this type of stand mixed with beech were taken. The results of plant species biodiversity showed that between the pure ash stand and the stand mixed with beech there is a significant difference at the 99% probability level in Shannon-Wiener diversity, Margalef richness, and Simpson dominance. There is also a significant difference at the 95% probability level between the two stands under study in Pielou’s evenness index. The results of soil factors also showed that at the depth of 10–20 cm acidity factor showed a significant difference from its adjacent stand at the 99% probability level. There is also a significant difference at the 99% probability level in acidity (0–10 cm) and soil moisture at the depth of 10–20 cm between the two areas, but there is not any significant difference between the areas under study in electrical conductivity and lime factors at the two depths and also in moisture content at the depth of 0–10 cm. It should be noted that between the stand and soil nitrogen, organic carbon and bulk density parameters at both depths (0–10 and 10–20 cm) a significant difference at the 95% confidence level is shown.
Bajtala M.J. (1999): Spatial patterns of duff consumption in black spruce and jack pine stands in the boreal mixed wood forest. [MSc Thesis.] Guelph, University of Guelph: 124.
Bakhshi Khaniki G. (2011): Biodiversity. Tehran, Payam Noor University of Tehran: 227. (in Persian)
CANNELL M. G. R., DEWAR R. C. (1995): The carbon sink provided by plantation forests and their products in Britain. Forestry, 68, 35-48
https://doi.org/10.1093/forestry/68.1.35
Collins B. S., Pickett S. T. A. (1988): Response of Herb Layer Cover to Experimental Canopy Gaps. American Midland Naturalist, 119, 282-
https://doi.org/10.2307/2425811
Crowley W., Harrison S.S. C., Coroi M., Sacré V. M. (2003): An Ecological Assessment of the Plant Communities at Port Bán Nature Reserve In South-Western Ireland. Biology & Environment: Proceedings of the Royal Irish Academy, 103, 69-82
https://doi.org/10.3318/BIOE.2003.103.2.69
Enright N.J., Miller B.P., Akhter R. (2005): Desert vegetation and vegetation-environment relationships in Kirthar National Park, Sindh, Pakistan. Journal of Arid Environments, 61, 397-418
https://doi.org/10.1016/j.jaridenv.2004.09.009
Felton Adam, Felton Annika M., Wood Jeff, Lindenmayer David B. (2006): Vegetation structure, phenology, and regeneration in the natural and anthropogenic tree-fall gaps of a reduced-impact logged subtropical Bolivian forest. Forest Ecology and Management, 235, 186-193
https://doi.org/10.1016/j.foreco.2006.08.011
Fisher R.F., Binkley D. (2000): Ecology and Management of Forest Soils. 3rd Ed. Trenton, John Wiley & Sons, Inc.: 489.
Fu B.J., Liu S.L., Ma K.M., Zhu Y.G. (2004): Relationships between soil characteristics, topography and plant diversity in a heterogeneous deciduous broad-leaved forest near Beijing, China. Plant and Soil, 261, 47-54
https://doi.org/10.1023/B:PLSO.0000035567.97093.48
Ghazanshahi J. (1997): Plant and Soil Analysis. Tehran, Homa Publications: 311.
Habibi Kaseb H. (1992): Fundamentals of Forest Soil Science. Tehran, University of Tehran Press: 424. (in Persian)
Hagen-Thorn A., Callesen I., Armolaitis K., Nihlgård B. (2004): The impact of six European tree species on the chemistry of mineral topsoil in forest plantations on former agricultural land. Forest Ecology and Management, 195, 373-384
https://doi.org/10.1016/j.foreco.2004.02.036
Hale Cindy M., Frelich Lee E., Reich Peter B., Pastor John (2005): Effects of European Earthworm Invasion on Soil Characteristics in Northern Hardwood Forests of Minnesota, USA. Ecosystems, 8, 911-927
https://doi.org/10.1007/s10021-005-0066-x
Hansson Karna, Olsson Bengt A., Olsson Mats, Johansson Ulf, Kleja Dan Berggren (2011): Differences in soil properties in adjacent stands of Scots pine, Norway spruce and silver birch in SW Sweden. Forest Ecology and Management, 262, 522-530
https://doi.org/10.1016/j.foreco.2011.04.021
Heydari M., Mahdavi Ali (2009): The Survey of Plant Species Diversity and Richness Between Ecological Species Groups (Zagros Ecosystem, Ilam). Journal of Applied Sciences, 9, 745-751
https://doi.org/10.3923/jas.2009.745.751
Hoffmann Jörg (1998): Assessing the effects of environmental changes in a landscape by means of ecological characteristics of plant species. Landscape and Urban Planning, 41, 239-248
https://doi.org/10.1016/S0169-2046(98)00062-0
Jafari M.M., Rostam Poor A., Tavili M.A., Chahkohi Z., Farzad Mehr J. (2008): Direct gradient analysis of plant species and environmental factors on grassland ecological groups Koh Qaen. Grassland, 2: 343–329. (in Persian)
Kooch Y., Hosseini M. (2012): Variability of soil properties associated with peat and stay hole cover and single tree in a mixed Hyrcanian beech forest. [Ph.D. Thesis.] Noor, Tarbiat Modares University: 130. (in Persian)
Kooch Y., Jalilvand H., Bahmanyar M.A., Pormajidian M.R. (2009): Differentiation of ecosystem units of Caspian lowland forests and its relation with some soil characteristics. Journal of Forest and Wood Products (JFWP) (Iranian Journal of Natural Resources), 62: 93–107.
Mesdaghi M. (2000): Vegetation Description and Analysis. Mashhad, Jahad Daneshgahi of Mashhad: 287. (in Persian)
Pourbabaei H., Javanshir K., Zobeiri, M., Akbarinia M. (2000): Diversity of woody species of common walnut (Juglans regia L.) sites in the Gillan forests. Journal of the Iranian Natural Resources, 52: 35–45. (in Persian)
Rahimi V. (2005): Evaluation of Plant Biodiversity in Pristine and Disturbed Armerdeh Oak Forests of Baneh. [MSc Thesis.] Some’e sara, University of Guilan: 100. (in Persian)
Schoenholtz S.H, Miegroet H.Van, Burger J.A (2000): A review of chemical and physical properties as indicators of forest soil quality: challenges and opportunities. Forest Ecology and Management, 138, 335-356
https://doi.org/10.1016/S0378-1127(00)00423-0
Schua Karoline, Wende Stefan, Wagner Sven, Feger Karl-Heinz (2015): Soil Chemical and Microbial Properties in a Mixed Stand of Spruce and Birch in the Ore Mountains (Germany)—A Case Study. Forests, 6, 1949-1965
https://doi.org/10.3390/f6061949
Silveira M.L., Comerford N.B., Reddy K.R., Prenger J., DeBusk W.F. (2010): Influence of military land uses on soil carbon dynamics in forest ecosystems of Georgia, USA. Ecological Indicators, 10, 905-909
https://doi.org/10.1016/j.ecolind.2010.01.009
Smith Fraser (1996): Biological diversity, ecosystem stability and economic development. Ecological Economics, 16, 191-203
https://doi.org/10.1016/0921-8009(95)00096-8
Wilson S.McG, Pyatt D.G, Malcolm D.C, Connolly T (2001): The use of ground vegetation and humus type as indicators of soil nutrient regime for an ecological site classification of British forests. Forest Ecology and Management, 140, 101-116
https://doi.org/10.1016/S0378-1127(00)00318-2
Zas R, Alonso M (2002): Understory vegetation as indicators of soil characteristics in northwest Spain. Forest Ecology and Management, 171, 101-111
https://doi.org/10.1016/S0378-1127(02)00464-4
Zarrinkafsh M. (2002): Forestry Soil, Interaction of Soil and Plants Regarding Ecological Factors of Forest Ecosystems. Tehran, Forests and Rangelands Research Institute: 361. (in Persian)