3 Works

Allelopathic effects of Brassica nigra in both its native and invaded ranges do not support the novel weapons hypothesis

Ayub M.O. Oduor, Mark Van Kleunen & Marc Stift
PREMISE OF THE STUDY The novel-weapons hypothesis predicts that some plants are successful invaders because they release allelopathic compounds that are highly suppressive to naïve competitors in invaded ranges but are relatively ineffective against competitors in the native range. For its part, the evolution of enhanced weaponry hypothesis predicts that invasive populations may evolve increased expression of the allelopathic compounds. However, these predictions have rarely been tested empirically. METHODS Here we made aqueous extracts of...

Can polyploidy confer invasive plants with a wider climatic tolerance? a test using Solidago canadensis

Junmin Li, Jizhong Wan, Ayub Oduor, Robin Pouteau, Beilei Wang, Luxi Chen, Beifen Yang & Feihai Yu
Polyploidy can cause variation in plant functional traits and thereby generate individuals that can adapt to fluctuating environments and exploit new environments. However, few empirical studies have tested for an association between ploidy level and climatic tolerance of invasive cytotypes relative to conspecific native-range cytotypes. Here, we used an invasive plant Solidago canadensis to test whether invasive populations had a higher proportion of polyploids, greater height and stem-base diameter, and occupied a wider range of...

Effects of protected areas on welfare of local households: the case of Maasai Mara National Reserve in Kenya

Ayub M.O. Oduor, Dagne Mojo, Chao Fu, Yunli Bai, Huaping Long, Guoqin Wang & Linxiu Zhang
Protected areas are vital for biodiversity conservation although some have been criticized for not providing adequate socio-economic benefits to local people. However, empirical studies on socio-economic impacts of protected areas that control for confounding factors are rare. Here, we assessed the potential impacts of Maasai Mara National Reserve in South-Western Kenya on welfare (indicated by levels of income, consumption, and assets) of, and poverty incidence among 423 randomly selected local households. We used descriptive statistics...

Registration Year

  • 2020

Resource Types

  • Dataset


  • Technical University of Kenya
  • United Nations Environment Programme
  • Ethiopian Institute of Agricultural Research
  • Taizhou University
  • Institute of Geographic Sciences and Natural Resources Research
  • University of Konstanz
  • Qinghai University