Evaluation of carbon, nitrogen and phosphorus in disturbed and intact tropical coastal forest sites in Tanzania

dc.contributor.authorLigate, E. J
dc.contributor.authorChen, C.
dc.date.accessioned2020-09-30T05:32:38Z
dc.date.available2020-09-30T05:32:38Z
dc.date.issued2019
dc.descriptionInternational Journal of Plant & Soil Science, 2019; 27(1): 1-12en_US
dc.description.abstractThis study investigated and established the variation of soil nitrogen, total carbon and phosphorus across closed forest; crop-agriculture and livestock disturbed sites. The study provides useful information for local management strategies. It sets initial basic data on the soil status of Uzigua Forest Reserve after 50 years of crop-agriculture and livestock grazing pressure. Forty-seven (50 m × 50 m) quadrats were established on each land uses for soil samples collection. Total nitrogen was analyzed by Kjeldahl acid-digestion, total carbon by the Walkley-Black procedures and phosphorus by Bray-II method. The mean values (percentage) were nitrogen = 16.07 ± 0.34, 1.75 ± 0.25, 6.5 ± 0.20; carbon =14.48 ± 0.23, 11.81 ± 0.13, 12.24 ± 0.30; phosphorus =14.12 ± 6.57, 17.74 ± 3.96, and 13.31± 2.86 for closed forest; agriculture disturbed and grazed sites respectively. There was a slightly lower amount of total carbon on crop agriculture disturbed sites than on thelivestock grazed land uses. Carbon-nitrogen ratio was higher in closed forests than in the disturbed sites. The relationship between forest degradation and soil nutrient status is an indication that the below-ground nutrient pools are mainly determined by activities, which disturb the above-ground components mainly vegetation. To restore soil fertility status, it is important to establish the management of the disturbed sites through restoration of vegetation and minimization of disturbances.en_US
dc.identifier.issn2320-7035
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/123456789/3202
dc.language.isoenen_US
dc.publisherInternational Journal of Plant & Soil Scienceen_US
dc.subjectCoastal-forestsen_US
dc.subjectAgricultureen_US
dc.subjectGrazingen_US
dc.subjectDisturbancesen_US
dc.titleEvaluation of carbon, nitrogen and phosphorus in disturbed and intact tropical coastal forest sites in Tanzaniaen_US
dc.typeArticleen_US

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