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| Content Provider | Scientific Research Publishing (SCIRP) |
|---|---|
| Author | Andrew, Samora M. |
| Abstract | Although the relationship between invasive alien species (IAS) and plant community structure has attracted considerable interest, the impacts of IAS on abundance and diversity of resident plant communities in species rich-ecosystems, such as tropical wetlands are poorly understood. Consequently, this has impeded development of improved management strategies and successful restoration of invaded tropical wetlands. Therefore, data on vegetation were collected from 60 plots of 20 × 50 m to study the impacts of alien invasive grass Echinochloa colona (L.) Link abundance on plant community abundance, richness, evenness and diversity of resident plant species within grasslands of the Kilombero Valley wetland, Tanzania. Moreover, the impacts of abundance of E. colona on plant functional groups (i.e. graminoids, forbs and shrubs) richness were also explored. Generalized linear models showed that community richness, evenness, diversity and abundance of resident species were negatively related to the E. colona abundance. There was a negative relationship between richness of graminoids and shrubs and the abundance of E. colona. Similarly, the abundance of graminoids, forbs and shrubs is related negatively to the abundance of E. colona. Given that most of the community and functional group attributes of resident plants is related negatively to E. colona abundance, improved management strategies should be developed to minimize the abundance and further spread of E. colona to restore and conserve wetland biodiversity. |
| Starting Page | 483 |
| Ending Page | 494 |
| File Format | HTM / HTML PDF |
| ISSN | 21621985 |
| DOI | 10.4236/oje.2018.89029 |
| Issue Number | 09 |
| Journal | Open Journal of Ecology |
| Volume Number | 08 |
| e-ISSN | 21621993 |
| Language | English |
| Publisher Date | 2018-09-12 |
| Access Restriction | Open |
| Subject Keyword | Native Species Evenness Richness Diversity Functional Groups Resident Species Earth & Environmental Sciences |
| Content Type | Text |
| Resource Type | Article |
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