Current status and management options for invasive plants at the Mihintale Wildlife Sanctuary

Ranwala, S.M.W.; Thushari, P.G.I.

doi:10.4038/jnsfsr.v40i1.4170

Cited by 8 publications

(6 citation statements)

References 24 publications

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“…Researchers have much more work ahead to fill the many gaps in data regarding IAP issues in Sri Lanka. Consistent with a prior study of the limited direct impacts of IAPs on economies (Ranwala & Thushari, 2012), we found that DFC and DWC staff members did not recognize associated economic losses as an important threat posed by IAPs. Similarly, Shrestha et al (2019) revealed that key stakeholder groups involved in managing the species lacked awareness of the long-term economic consequences posed by IAPs.…”

Section: Discussionsupporting

confidence: 85%

“…They identified the effects of IAPs on wildlife habitats and the structure and composition of ecosystems as most damaging. Practically, L. camara, Chromolaena odorata, Myroxylon balsamum, and M. pigra have invaded natural and semi-natural areas, leading to significant alterations in the composition and structure of natural forests (Marambe, 2001;Ranwala & Thushari, 2012), P. juliflora had invaded Bundala National Park (Gunarathne & Perera, 2016), and L. camara had invaded Udawalawe National Park, causing significant changes in the composition of native plants and habitats of wild animals (Wijesundara, 2009). In the past, the DWC has emphasized the need for eradication and control of non-palatable invasive plants that threatened wildlife in protected areas (Marambe, 2008).…”

Section: Discussionmentioning

confidence: 99%

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Effective governance for management of invasive alien plants: evidence from the perspective of forest and wildlife officers in Sri Lanka

Ekanayake

Xie

Ibrahim

et al. 2020

PeerJ

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Invasive alien plants (IAPs) are a significant cause of socio-ecological change in Sri Lanka. Many studies have focused on the ecological dimensions of this problem, but few have addressed sociological factors such as the knowledge and perceptions of individuals and groups tasked with addressing IAPs. This study investigates how IAP issues are understood and perceived by professional forest and wildlife officers in Sri Lanka. The data analyzed were gathered using a questionnaire that covered three themes: the respondents’ ability to identify IAPs, the impacts of IAPs and the threats they pose, and knowledge regarding control and mitigation. The questionnaire was completed by 186 field officers, and the resulting descriptive statistics and a probit regression analysis were used to analyze the data. The results show that almost all of the participating forest and wildlife officers were aware of the problems associated with IAPs but more than 75% of them lacked an accurate understanding of scientific means for controlling them and control policies established by the government of Sri Lanka. Generally, wildlife officers had a better understanding than forest officers. In addition, the analysis shows that officers’ knowledge and perceptions of IAPs were positively correlated with their level of education and position within the organization. The analysis points to several recommendations for Sri Lankan officials when designing and implementing comprehensive policies and professional programs, particularly for lower-level field officers.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionmentioning

confidence: 99%

Effective governance for management of invasive alien plants: evidence from the perspective of forest and wildlife officers in Sri Lanka

Ekanayake

Xie

Ibrahim

et al. 2020

PeerJ

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“…There is very limited baseline information on the distribution and abundance of invasive flora in many of the protected areas of Sri Lanka and maps have not been prepared to identify their spread (Weerakoon, 2008). A study of the above ground status of invasive flora and the below ground potential of the seed bank in the Mihintale Wildlife Sanctuary in Sri Lanka showed that IAS were at a manageable level, with L. camara and C. odorata having the highest spread (Ranwala and Thushari, 2012); however these findings did not include spatial mapping.…”

Section: Mapping To Monitor Invasionsmentioning

confidence: 99%

Climate Change, Invasive Alien Flora and Concerns for their Management in Sri Lanka

Iqbal

Wijesundara

Ranwala

2015

Ceylon J. Sci. (Biol. Sci.)

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Climate is the key driver of diversity of life in ecosystems. Changes in the climate, would not only alter the spatial distribution of species but also facilitate some of the non-native species to become invasive. This would further imbalance the status quo of native species and may bring about irreversible changes in some ecosystems imposing large economic costs for their management. Few researchers have addressed the issue of the interaction of climate change and invasive species in developing countries. We review the ecological impacts of invasive alien flora on the environment and the necessity to assess the economics of these impacts, particularly in developing countries. The potential implications of climate change on invasive alien flora relevant to Sri Lanka are discussed, highlighting how disturbances to ecosystems during climate change would facilitate the dispersal, establishment and spread of these invasive species and result in a change in the species distribution of native flora within ecosystems. The management of invasive alien species is already formulated for Sri Lanka. We draw attention to how climate change aspects should be incorporated into these management strategies. Important aspects to be considered are assessment of risk, targeting ecosystems vulnerable to climate change and mapping to monitor the location and progress of invasive flora.

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“…Seedling regeneration and establishment under Chromolaena odorata is therefore constrained (Ranwala & Thushari, 2012).…”

Section: General Observations On the History And Ecology Of Kogyae Strict Nature Reserve (Q1)mentioning

confidence: 99%

A study of drivers and dynamics of forest-savanna boundaries in West Africa

Ametsitsi¹

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Chapter 1: General introduction Chapter 2: Extending the baseline of tropical dry forest loss in Ghana (1984-2015) reveals drivers of major deforestation inside a protected area Chapter 3: Fixed or Mixed? Variation in tree functional types and vegetation structure in a forest-savanna ecotone in West Africa Chapter 4: Sharp transitions with soft edges? Three years of field observations reveal multiple fire-mediated feedbacks in a forest-savanna ecotone in West Africa Chapter 5: Fall leaves fall! Leaf shedding of tree species in a forest-savanna ecotone in West Africa depends on individual species, tree functional type and stand structure Chapter 6: Variation in vegetation cover and seedling performance of tree species in a forest-savanna-ecotone

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Current status and management options for invasive plants at the Mihintale Wildlife Sanctuary

Cited by 8 publications

References 24 publications

Effective governance for management of invasive alien plants: evidence from the perspective of forest and wildlife officers in Sri Lanka

Effective governance for management of invasive alien plants: evidence from the perspective of forest and wildlife officers in Sri Lanka

Climate Change, Invasive Alien Flora and Concerns for their Management in Sri Lanka

A study of drivers and dynamics of forest-savanna boundaries in West Africa

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