Management of Invasive Alien Plants in Nepal: Current Practices and Future Prospects

Shrestha, Bharat Babu

doi:10.1007/978-981-13-8249-9_4

Cited by 27 publications

(16 citation statements)

References 41 publications

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“…a wide belt of flat land along the southern border), and it occurs occasionally in the Siwalik region, particularly in western Nepal. The species is widespread in the Middle Mountain region (Shrestha, 2019a).…”

Section: Figure 1: Location Of Study Sites In Kabhrepalanchok District Of Nepalmentioning

confidence: 99%

“…However, forest degradation and deforestation has undergone due to many reasons. Invasive alien plant species (IAPS) are considered as one of the drivers of forest degradation (MFSC, 2009), threat to biodiversity conservation (MFSC, 2014) and has adverse effect on forest regeneration (Shrestha, 2019a).…”

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confidence: 99%

“…The invasion of A. adenophora is more severe at the edges of the forest and agricultural lands and also the wetlands (Baral et al, 2013). In forest and shrub lands, A. adenophora is considered as one of the major problematic species including Chromolaena odorata, Lantana camara and Mikania micrantha (Shrestha, 2019a). Management of invasive species involves three basic strategies i.e.…”

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confidence: 99%

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Assessment of invasion of Ageratina adenophora in the plantation forest of Nepal

Malla

Aryal

Ranabhat

2021

Banko

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Large-scale plantations of pine species were done in the bare hills of the Middle Mountain region of Nepal during the early 1980s. There is a growing concern on the sustainability of the planted pine forests in the country due to the presence of invasive alien plant species (IAPS). Invasive alien plant species are considered as one of the drivers of forest degradation and deforestation. Ageratina adenophora is one of the problematic IAPS found in the planted pine forests throughout the country. In this study, we employed different treatments to control the invasion of A. adenophora in the planted pine (Pinus patula) forest. The research design included four different treatments, viz., (i) control, (ii) stem felling, (iii) floor clearance, and (iv) stem felling cum floor clearance in one block (Block I), which was replicated in another block (Block II). The data were collected using circular sample plots with 2m radius. The ANOVA and TukeyHSD Tests were applied during the analysis process so as to determine the effects of treatments on invasion of A. adenophora. The "floor clearance treatment" was found to be significantly effective to reduce the presence of A. adenophora in the planted pine forest. On the contrary, the "opening of forest cover treatment" was found to be conducive to this invasive species to invade the area. The "stem felling cum floor clearance treatment" could be an effective strategy to control invasion of A. adenophora in planted forest, but as it demands a high cost, it is likely to be appropriate for small forest areas where promotion of regeneration is of high priority.

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Section: Figure 1: Location Of Study Sites In Kabhrepalanchok District Of Nepalmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Assessment of invasion of Ageratina adenophora in the plantation forest of Nepal

Malla

Aryal

Ranabhat

2021

Banko

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“…adenophora is native to Mexico but is established in 40 countries outside its native range (Poudel et al 2019). In Nepal, 26 invasive plant species are reported, 20 of which have been documented in the CHAL region, where A. adenophora is the most problematic weed in natural ecosystems, and its management is highly prioritized by local people (Tiwari et al 2005;Shrestha 2019;. It was first reported in 1958, having been accidentally introduced from the eastern border of India to Nepal (Tiwari et al 2005).…”

Section: Study Speciesmentioning

confidence: 99%

“…Among 124 countries, Nepal has the third highest threat to agriculture sectors from invasive species (Paini et al 2016). To date, 179 species of flowering plants are naturalized, and, among them, 26 species are reported to be invasive in Nepal (Shrestha 2019;Shrestha, Budha, et al 2019). The crofton weed, Ageratina adenophora (Sprengel) R. King and H. Robinson (Asteraceae), is one of the most noxious invasive weeds in many parts of Asia, Oceania, and Africa.…”

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confidence: 99%