10046

9276

كارشناسي ارشد

مرتعداري

اصفهان: دانشگاه صنعتي اصفهان، دانشكده منابع طبيعي

1393

[يازده]، 180ص.: مصور، جدول، نمودار

ص.ع. به فارسي و انگليسي

حميد متين خواه

محسن نائل

94/2/27

محمدرضا وهابي، مصطفي تركش اصفهاني

1396/09/27

كتابنامه

منابع طبيعي

مهندسي منابع طبيعي

ID9276

108 Halimodendron halodendron autecology in some semiarid area in Isfahan province Amir Asefzade amirasefzade@yahoo com Department of Nature Resources Isfahan University of Technology Isfahan 84156 83 111 Iran 12 pt TNR Language FarsiSupervisor S H Matinkhah Assist Prof matinkhah@ cc iut ac irAbstractAutecological studies provide a considerable part of the basic information required tomanage rangeland ecosystems selection of appropriate species is important inautecological studies Plant species characteristics highly depend on environmentalcondition including edaphic physiographic and climatic parameters Halimodendronhalodendron is a plant species that grow in some part of Iran There is also the habitat ofthis species in Ardaste and Moote of Isfahan province This research has been conductedinthis area to investing ateautecological information Methodically Random Systematicsampling by plot were used The canopy cover collar height and density of all species inboth the habitats were measured using 12 plotswith 25 m2 size Furthermore a single soilsamples in each plot from two different depths i e 0 20 and 20 40 cm were collected at thefoot of the individuals Soil samples were analyzed in laboratory and pH EC Clay Silt Sand total Nitrogen and organic Carbon percentage K P Mineral N CaCo3 SP gravelpercentage of samples were tested Altitude and slope of all plots were also recorded Phenology of H halodendron was qualitatively studied by recording the onset growingtime of bud leaf emergence flowering fruit forming leaf shed and monthly imaging ofplants parts Statistical analysis such as paired T test independent T test simplecorrelation regression and ordination were performed to evaluate interactionsof the plantwith the environment SPSS and CANOCO softwares were used to perform the analysis According to the results SP Sand Clay Silt Gravel CaCo3 pH OC and N significantlyaffect the presence of this species in both regions The main limiting factor for this speciesisthe increase of lime in superficial and deep soil high acidity steep slope and amount ofclay The amount of mineral nitrogen sand and soil saturation are the mainacceleratingfactors in the growth ofH halodendron The results of phenology showed thatthis plant has started its growth in late April First blossom starts in June Peak fruitingoccurs in early August and at this time 90 of flowers are shed or converted to fruit Theleaves fall from late September started and the end of December the plant is devoid ofleaves Keywords Halimodendron halodendron Autecology Ordination Phenology IsfahanProvince

حميد متين خواه

محسن نائل

محمدرضا وهابي، مصطفي تركش اصفهاني