Study on Vegetation Changes of Natural Ranges in KhoyBilehvar Semi-Steppic Area of West Azarbaijan Province

Subject Areas : Relationship between Animal and Rangeland

M.T. Gaemi ¹ , M. Akbarzade ² , Sh. Abedi ³

1 - Research Instructor, Agriculture and Natural Resources Center of West Azarbaijan
2 - Range Research Division Research Institute of Forest and Rangeland, Tehran
3 - Expert of Agricultural and Natural Resources Center of West Azarbaijan Province

Received: 2010-10-20 Accepted : 2010-11-22 Published : 2010-11-22

Keywords:

References:

Anonymous, 2007. Study on precipitation
effect in vegetation changes in Plor
exclosure, Iran natural resources
magazine. Edition 60, issue one, spring
2007, 307-322.
Akbarzade, Morteza, 2005. Study on
vegetation changes inside and outside the
Roodshurexclosure, Iran researches of
range and desert quarterly 12(2): 167-
188.
Baghestani. Mibodi, Naser, 1993.
Ecological study of rangeland to
vegetation according to geomorphological
units and soil in nodoshan catchment of
province, range management master
science thesis of natural college of Tehran
university.
Sheidaei, ghodarzi et al, 1978, new range
management and forage production in Iran
rangeland and forest organization.
Mosavi, seidmohammad, 2001, the study
of exclosure effect on soil and vegetation
changes in semi–stepp rangeland of reza
abad of semnan. Reza
Vahabi, Mohammadreza, 1989, the survey
and comparison of vegetation changes,
plant cover composition, range production
and water infiltration under grazed and
ungrazed conditions in Isfahan of Fridon
region, rangeland master science thesis of
Natural Resources College of Tehran
University.
Bock, C.E. and Bock J. H. 1993. Cover of
perennial grasses in southeastern Arizona
in relation to livestock grazing
conservation Biology 7(2): 371-377.
Bock, C. E., J. H. Bock, W. R. Kkenney,
and V. M. Hawthorne. 1984. Responses of
birds, rodents, and vegetation to livestock
exclosure in a semidesert grassland site. J.
Range Manage. 37(3): 239-242.
Robertson, J. H. 1971. Changes on a
Sagebrush-Grass Range in Nevada ungraze
for 30 Years. J. Range Manage . 24(5):
397-400.
Rose, A.B. and plat K.H. 1992. Snow
tussock (Chionochloa) population response
to removal of sheep and European hares,
Canterbury, New-zealand. J. Of botany
30(4) p. 373-382.
Smith D.A. and Schmutz E. M. 1975.
Vegetation chemges versus grazed desert
grassland ranges in Arizona. J. of range
management, 28(6): 453- 45.
Taylor, C. A., J. R., M. E. Ralphs, and
M.M. Kothmann. 1997. Vegetation
response to increasing stocking rate under
rotational stocking. J. Range Manage . 50:
439- 442.
Tiedemann, A.R. and H. W. Berndt.
1972. Vegetation and soils of a 30-year
deer and elk [wapiti] exclosure in central
Washington. Northw. Sci. 46 (1, 59-66).