ABSTRACT A study was conducted at Marumbi and Uroa villages of Central District of Unguja Zanzibar to assess diversity of medicinal trees species based on specific objectives: (1) to determine diversity of medicinal tree species in the two study village forests; and (2) to determine extent of extraction of medicinal trees: A total of 99 circular plots (radius, r= 11.28 m) were laid down systematically. Medicinal trees were identified and recorded against tree tally, and computed for indices ...
ABSTRACT This study assessed the diversity of parasites of milkfish Chanos chanos cultured along Zanzibar coasts. The study analyzed the prevalence, mean intensity, diversity and richness of parasites species and to relate the occurrence of this parasites in relation to physico- chemical parameters of the ponds water and feeding modes of the fish. Three different localities were selected for this investigation. A total of 110 milkfish were dissected, the body cavity of each fish removed out v...
ABSTRACT Natural forest lost at high rate year after year. Most of the area are cleared and transformed to agricultural land, which influences changes in hymenopterans diversity. Therefore, understanding the hymenopterans diversity in various land use forms of agriculture are of vital importance to guide in conservation approaches. This study analyzed the effects of land use in hymenopterans diversity in Unguja Island – Zanzibar. Hymenopterans were sampled in five land-use forms between Jan...
ABSTRACT Tree ring studies, known as dendrochronology, have been an important tool for studying climate variations since the beginning of the 1900s. This is because the information preserved in tree rings of most tree species for many years serves as environmental archives for both abiotic and biotic factors, tools that can be used to monitor climate changes. This study was the first to compare the growth rings of Dichrostachys cinerea and Senegalia mellifera along a rainfall gradient to inf...
Abstract Black rhinoceroses (Diceros bicornis) have been extirpated from most of their historic range with the remaining individuals (ca. 5200) living in geographically isolated populations. Management priorities include creating new populations whilst maintaining genetic diversity and promoting gene flow between existing isolated populations. Such objectives are however currently hindered by a lack of comparative/reference data on levels of diversity, relatedness and inbreeding in a large, f...