Paper Information

Title: 

THE EFFECT OF DIFFERENT LEVEL OF GRAZING ON VEGETATION CHARACTERISTICS IN SEPTIC RANGELANDS OF NODUSHAN, YAZD PROVINCE, IRAN

Type: PAPER
Author(s): FAKHIMI ELHAM,MESDAGHI MANSOUR,NADERI HOSSAIN,DIANATI TILAKI GHASEM ALI
 
 
 
Name of Seminar: HAMAYESH MANTAGHEI KESHAVARZI, MEHVARE ROSHD VA TOWSE
Type of Seminar:  CONGRESS
Sponsor:  islamic azad university, marvdasht branch
Date:  2008Volume -
 
 
Abstract: 

THE LARGE SCALE DEGRADATION OF NATURAL GRAZING IN THE EXTENSIVE RANGELAND ECOSYSTEMS OF IRAN CAN BE LARGE ATTRIBUTED TO THE HIGH STOCKING RATES AND GRAZING PRESSURE.THE GRAZING MANAGEMENT IS A VITAL FACTOR TO CONTROL THE INTENSITY OF THE RANGELAND ECOSYSTEMS DEGRADATION.THE OBJECT OF THIS STUDY IS, THE EFFECT OF HEAVY, MODERATE AND LIGHT RATES ON PRODUCTION, CANOPY COVER, LITTER, STONE AND GROVEL AND BARE SOIL IN SEPTIC ZONE OF TRAN (NODUSHAN). FOR THIS RESEARCH USED COMPLETELY RANDOMIZED BLOCK DESIGN. SAMPLING WAS PERFORMANCE WITH USING STRATIFIED- SYSTEMATIC-RANDOM SAMPLING SCHEME. ON EACH PLOTS (2M2) ESTIMATED CANOPY COVER PERCENTAGE OF EACH PLANT SPECIES, DRY MATTER OF PALATABLE SPECIES, LITTER PERCENTAGE, STONE AND GROVEL AND BARE SOIL PERCENTAGE. ANALYSIS OF DATA CARRIED OUT USING SPSS 11.5 STATISTICAL PACKAGES.
RESULTS SHOWN THE CANOPY COVER PERCENTAGE OF DOMINANCE SPECIES (ARTEMISIA SIEBERI) AND PRODUCTION WERE SIGNIFICANTLY AFFECTED BY DIFFERENT GRAZING PRESSURE (P<0.05). TOTAL CANOPY COVER PERCENTAGE, LITTER PERCENTAGE, STONE AND GROVEL AND BARE SOIL PERCENTAGE IN HEAVY GRAZING WAS SIGNIFICANTLY DIFFERENT WITH MODERATE AND LIGHT RATES GRAZING (P<0.05). CANOPY COVER PERCENTAGE OF FORBS AND SHRUBS WERE NOT SIGNIFICANTLY AFFECTED BY DIFFERENT GRAZING PRESSURE (P>0.05).

 
Keyword(s): VEGETATION CHARECTERISTICS, GRAZING GRADIENT, NODUSHAN YAZD
 
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