Henry K. Njovu

ORCID: 0000-0002-7240-3058
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About
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Research Areas
  • Ecology and Vegetation Dynamics Studies
  • Plant and animal studies
  • Plant Parasitism and Resistance
  • Species Distribution and Climate Change
  • Insect and Pesticide Research
  • Ecology and Conservation Studies
  • Rangeland Management and Livestock Ecology
  • Biological Control of Invasive Species
  • Insect and Arachnid Ecology and Behavior
  • Wildlife Ecology and Conservation
  • Environmental and Cultural Studies in Latin America and Beyond
  • High Altitude and Hypoxia
  • Rangeland and Wildlife Management
  • African Botany and Ecology Studies
  • Mediterranean and Iberian flora and fauna
  • Animal Ecology and Behavior Studies
  • Plant Physiology and Cultivation Studies
  • Adventure Sports and Sensation Seeking
  • Land Use and Ecosystem Services
  • Fish Ecology and Management Studies
  • Wildlife-Road Interactions and Conservation
  • Forest ecology and management
  • Outdoor and Experiential Education
  • Fire effects on ecosystems
  • Ecosystem dynamics and resilience

University of Würzburg
2019-2023

College of African Wildlife Management
2016-2019

Abstract Despite their diversity and large functional cultural importance, the patterns predictors of mammal along elevational gradients on tropical mountains remain poorly understood. Today, mammals are threatened by human disturbances such as habitat destruction hunting may increasingly depend conservation protected areas. Here, we use field data a 3.6 km gradient Mt. Kilimanjaro to evaluate importance climate, net primary productivity impact for distribution, species richness community...

10.1111/1365-2656.13074 article EN Journal of Animal Ecology 2019-08-13

Abstract The exponential increase in the human population tandem with increased food demand has caused agriculture to be global‐dominant form of land use. Afrotropical drylands are currently facing loss natural savannah habitats and agricultural intensification largely unknown consequences for bees. Here we investigate effects on bee assemblages northern Tanzania. We disentangled direct temperature richness from indirect mediated by changes floral resources. collected data 24 study sites...

10.1111/1365-2664.14296 article EN cc-by-nc-nd Journal of Applied Ecology 2022-09-20

Temperature, primary productivity, plant functional traits, and herbivore abundances are considered key predictors of leaf herbivory but their direct indirect contributions to community-level not well understood along broad climatic gradients. Here, we determined elevational patterns used a path analytical approach disentangle the effects climate, land use, net productivity (NPP), abundance, traits on invertebrate extensive use gradients at Mt. Kilimanjaro, Tanzania. We recorded standing...

10.1111/1365-2656.13058 article EN Journal of Animal Ecology 2019-07-11

A dataset describing the occurrence of wild bees and their interaction with forage plants along livestock grazing gradient is critical in understanding bee-plant networks developing conservation plans to ensure ecosystem services human-modified landscapes. Despite this need, datasets are scarce Africa, Tanzania no exception. Therefore, article, we present a bee species richness, occurrence, distribution collected across sites different levels intensity resources thereby. The data presented...

10.1016/j.dib.2023.109181 article EN cc-by Data in Brief 2023-04-25

Bees (Hymenoptera: Apoidea: Anthophila) are the most important group of pollinators with about 20,507 known species worldwide. Despite critical role bees in providing pollination services, studies aiming at understanding which present across disturbance gradients scarce. Limited taxononomic information for existing and unidentified bee Tanzania make their conservation haphazard. Here, we a dataset records obtained from survey nothern i.e. Kilimanjaro, Arusha Manyara regions. Our findings...

10.3897/bdj.9.e68190 article EN cc-by Biodiversity Data Journal 2021-08-17

Patterns of insect diversity along elevational gradients are well described in ecology. However, it remains little tested how variation the quantity, quality, and food resources influence these patterns. Here we analyzed direct indirect effects climate, quantity (estimated by net primary productivity), quality (variation specific leaf area index, nitrogen to phosphorus carbon ratio), (diversity traits) on species richness phytophagous beetles broad elevation land use Mt. Kilimanjaro,...

10.1002/ecy.3521 article EN cc-by Ecology 2021-08-27

Abstract Understanding the change in vegetation composition along elevational gradients is critical for species conservation a changing world. We studied richness, tree height, and floristic of woody plants an elevation gradient protected habitats on eastern slope Mount Meru analyzed how these variables are influenced by interplay temperature precipitation. Vegetation data were collected 44 plots systematically placed five transects spanning 1600 to 3400 m a.s.l. used ordinary linear models...

10.1111/btp.13232 article EN cc-by Biotropica 2023-05-22

Maintenance of species diversity is one the prime objectives establishing protected areas network and main responsibility wildlife managers. We report results study which aimed at estimating vegetation change in Saadani National Park. Specifically, we determined abundance terms relative density variation between old regenerating tree populations. Data were collected using a Point Centered Quarter method. A total 800 trees measured. Results revealed significant populations (F 1,18 8.146, P <...

10.5376/ijmeb.2016.06.0002 article EN International Journal of Molecular Evolution and Biodiversity 2016-01-01

This thesis elucidates patterns and drivers of invertebrate herbivory, herbivore diversity, community-level biomass along elevational land use gradients at Mt. Kilimanjaro, Tanzania. Chapter I provides background information on the response predictor variables, study system, design. First, give an overview species diversity/richness herbivory published in literature. The illuminates existing debates herbivory. In connection to these patterns, also introduce several hypotheses mechanisms...

10.25972/opus-17254 article EN 2019-01-01
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