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Performance of Pinus patula in Areas Invaded by Acacia mearnsii in Sao Hill Forest Plantation, Southern Tanzania

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dc.contributor.author Kingazi, Nanyika
dc.contributor.author Petro, Revocatus
dc.contributor.author Mbwambo, John R.
dc.contributor.author Munishi, Linus K.
dc.date.accessioned 2020-07-08T12:09:48Z
dc.date.available 2020-07-08T12:09:48Z
dc.date.issued 2020-07-06
dc.identifier.uri https://doi.org/10.1080/10549811.2020.1788952
dc.identifier.uri https://dspace.nm-aist.ac.tz/handle/20.500.12479/830
dc.description This research article published by Taylor & Francis Online, en_US
dc.description.abstract Problems associated with the invasiveness of exotic tree species such as Acacia mearnsii have increased recently causing vast damage in environment and economy worldwide. Sao Hill Forest Plantation (SHFP) in southern Tanzania which is the potential plantation in East Africa is under Acacia mearnsii invasion which threatens the productivity of the planted species, Pinus patula. This study aimed to gather information on the performance of Pinus patula by comparing areas invaded by Acacia mearnsii with the non-invaded areas in SHFP. The study used a combination of stratified and random sampling techniques to select sample plantation blocks and plots allocation, respectively. Data collected included survival, height, and diameter of Pinus patula in both invaded and non-invaded areas as well as Acacia mearnsii stem counts in invaded areas. The mean basal area, density, and volume of Pinus patula were subjected to paired sample T-test and relationship between the density of Acacia mearnsii and survival of Pinus patula were established by Pearson’s correlation analysis in R software version 3.5.2. Results showed that survival of Pinus patula was decreasing as the density of Acacia mearnsii increased. Also, there was a significant difference in density, basal area and volume of Pinus patula between invaded and non-invaded areas with higher performance being in non-invaded areas. Results suggest that Acacia mearnsii has a negative effect on the performance of Pinus patula in both its growth and survival. This study has generated the information for which among others will help to formulate policies and strategies that will contribute to the effective and sustainable management of forest plantations that should incorporate invasive control measures to avoid the negative performance of desirable tree species. en_US
dc.language.iso en en_US
dc.publisher Taylor & Francis Online en_US
dc.subject Acacia mearnsii en_US
dc.subject Pinus patula en_US
dc.subject Invaded and non-invaded en_US
dc.subject Invasive alien tree en_US
dc.title Performance of Pinus patula in Areas Invaded by Acacia mearnsii in Sao Hill Forest Plantation, Southern Tanzania en_US
dc.type Article en_US


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