Pasturing and Grazing Efficacy on The Riparian Greenery Along River Benue In North East Nigeria
The study investigated into the effect of grazing on the riparian vegetation along river Benue in Adamawa state Nigeria. Survey and observation design method were used to compare vegetation cover, distribution and composition. Study area was categorized into upper and lower section of riparian and was stratified into grazed and nongrazed. The study sites were delineated into fifty-nine (59) quadrats, observation technique was used to collect data on grazing effects on vegetation composition. Descriptive statistics, components analysis and paired T-test were used to analyze data. Study revealed, decrease in plant species productivity, plant vigor/resilience, diversity in native palatable species and increase in plant species extinction, diversity of on non-palatable native species as effects of grazing on vegetation. There is a variation in the distribution, composition diversity of plan species amidst grazed and nongrazed sites at p = 0.05 of the paired T-test result. Decline in plant growth 0.759 and decrease in plant species diversity 0.748 are some of the loaded variable for the enormous change in vegetation structure due to grazing. Themeda triandra and Cynodon dactylon are the most affected plants sensitive to grazing effects, while Aristida mutabilis and imperata cylindra are the friendliest to grazing due to their unpalatable nature. Grazing effects amidst the upper and lower riparian sections is almost some with the effect severe on plant growth in all the sections with 22 percent. Study recommends that; as a matter of policy, governments at and federal level, traditional and community leaders should adopt modern grazing strategies or measure. Should empower and encourage the community base organizations, traditional authorities to participate at the grass root development and implementation of environmental law or policies. Community leaders and government should support a culture of understanding, that will promote ranching science curriculum to educate the adult learners skills of constructing a grazing management disposition.
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