نتایج جستجو برای: agropastoral systems

تعداد نتایج: 1183457  

Journal: :Journal of Arid Land 2022

As an important natural resource, forest land plays a key role in the maintenance of ecological security. However, variations agropastoral ecotone northern China (AENC) have attracted little attention. Taking AENC as example and based on remote-sensing images from 2000, 2010 to 2020, we explored spatiotemporal variation its driving factors using land-use transfer matrix, spatial autocorrelation...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

Journal: :The Onderstepoort journal of veterinary research 2016
Gabriel M Shirima John S Kunda

Between 2005 and 2006, a cross-sectional survey was carried out in domestic ruminants in agropastoral communities of Serengeti district, Tanzania to determine the seroprevalence of brucellosis in domestic-wildlife interface villages. Both the Rose Bengal Plate Test (RBPT) and Competitive Enzyme Linked-immunosorbent Assay (c-ELISA) were used to analyse 82 human and 413 livestock sera from four r...

2018
Haili Xue Haiping Tang

Studying the responses of soil respiration (Rs) to soil management changes is critical for enhancing our understanding of the global carbon cycle and has practical implications for grassland management. Therefore, the objectives of this study were (1) quantify daily and seasonal patterns of Rs, (2) evaluate the influence of abiotic factors on Rs, and (3) detect the effects of soil management ch...

2017
George Felix Masanja

This study aimed to examine the argument of environmental resource-use conflict as the primary cause of crop farmers and agropastoralists conflicts in Tabora Region, Tanzania. It explored the multiple interdependent phenomena that affect livelihoods relationships between crop farmers and agropastoralists and the nature of their continuing conflicts over the ecozonal resources. A primary dataset...

2016
Andrew Martin Kilale Esther Ngadaya Julius Muhumuza Gibson Benard Kagaruki Yakobo Leonard Lema Bernard James Ngowi Sayoki Godfrey Mfinanga Sven Gudmund Hinderaker

OBJECTIVE To determine and describe clinical symptoms, demographic characteristics and environmental exposures as determinants of pulmonary mycobacterial diseases among patients examined for tuberculosis in agropastoral communities in Northern Tanzania. METHODS This was a cross sectional study. Sputum samples were collected from patients attending three hospitals in Tanzania, and were investi...

Journal: :Sciences, eaux & territoires 2022

Utiliser les sédiments lacustres lors d’une vidange de barrage est un moyen d’enrichir le sol dans contexte agropastoral montagne. A partir expérience menée Alpes françaises du Nord (barrage Mont Cenis), deux mélanges grainiers, dont l’un avec des semences sauvages d’origine locale, ont été testés selon modalités reconstitution (deux sédiments, compost et fumier). Cinq années suivi végétation d...

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