Invasion of Lantana camara and Ageratina adenophora alters the soil physico-chemical characteristics and microbial biomass of chir pine forests in the central Himalaya, India

Kumar, Mukesh; Kumar, Shailendra; Verma, Abhishek K.; Joshi, Rajendra Kumar; Garkoti, Satish Chandra

doi:10.1016/j.catena.2021.105624

Cited by 25 publications

(9 citation statements)

References 65 publications

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“…In this respect, the effects of Chromolaena odorata on soil attributes were noted higher in savannah when compared with forest ecosystems (Koné et al 2021). In the context of soil physico-chemical characteristics, certain IAPs (e.g., Bromus tectorum, Eucalyptus tereticornis, and Phragmites australis) positively altered the physical properties of soil or associated microtopography (Bargali et al 1993;Windham and Lathrop 1999;Kumar et al 2021). Such influences of IAPs on soil attributes were attributed to increased soil porosity due to the presence of shallow fine roots.…”

Section: Impact Of Iaps On Soil Physicochemical Propertiesmentioning

confidence: 99%

“…Further, in the case of multiple IAPs-natives interactions, multidirectional effects can result in a considerable divergence in soil physicochemical attributes (Stefanowicz et al 2018). In this aspect, colonization of IAPs (e.g., Lantana camara and Ageratina adenophora) in chir pine forests of Central Himalayan region increased soil physico-chemical parameters such as soil moisture, porosity, nitrogen (N), potassium (K), and organic C while there was noted a decrease in bulk density (Kumar et al 2021). Herein, the increased nutrient status in enriched soil substratum of chir pine forests was predicted to facilitate the spread of L. camara and A.adenophora.…”

Section: Impact Of Iaps On Soil Physicochemical Propertiesmentioning

confidence: 99%

“…This land-use change can impact the global climate, biodiversity, biogeochemical cycles, and food security. IAPs infestation in grasslands can remarkably influence the fire regime, soil nutrient status, and soilerosion rates (Schlesinger et al 1990;Kumar et al 2021). These IAPs induced alterations in grassland community perturb the heterogeneity of soil resources and convert them to exotic annual degraded grasslands which can further pave the way for desertification.…”

Section: Invasive Alien Plants Induce Soil Erosion and Desertificationmentioning

confidence: 99%

“…In the management of biological invasions, the explicit assessment of bidirectional feedbacks of soil on plant community dynamics and plant diversity on soil attributes are extremely vital foundation for formulating sustainable ecosystem restoration strategies (Eviner and Hawkes 2008; Koné et al 2021). In addition, the site conditions [(competitive, stressful and disturbed as per Grime (2001); high fertility and low fertility as per ] can also influence the plant community dynamics, and hence, the ecosystem restoration process (Eviner and Hawkes 2008;Kumar et al 2021). The colonization of IAPs can impede the ecosystem restoration processes through specific traits and influencing the soil attributes (Stefanowicz et al 2019;Gao et al 2020;Kumar et al 2021).…”

Section: Restoration Of Iaps Invaded Ecosystemsmentioning

confidence: 99%

“…In addition, the site conditions [(competitive, stressful and disturbed as per Grime (2001); high fertility and low fertility as per ] can also influence the plant community dynamics, and hence, the ecosystem restoration process (Eviner and Hawkes 2008;Kumar et al 2021). The colonization of IAPs can impede the ecosystem restoration processes through specific traits and influencing the soil attributes (Stefanowicz et al 2019;Gao et al 2020;Kumar et al 2021). In this aspect, the colonization of invasive red oak (Quercus rubra) tree produced litter of high C/N ratio with low decomposition (Stanek et al 2020).…”

Section: Restoration Of Iaps Invaded Ecosystemsmentioning

confidence: 99%

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Environmental Degradation by Invasive Alien Plants in the Anthropocene: Challenges and Prospects for Sustainable Restoration

Kumar

2021

Anthr. Sci.

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Biodiversity, soil, air, and water are the vital life-supporting systems of this planet Earth. However, the deliberate and accidental introduction of invasive alien plants (IAPs) in the Anthropocene majorly due to the global international trade perturbed the homeostasis of our biosphere. IAPs are considered as one of the major drivers of biodiversity loss and ecosystem degradation. The pervasive threats of IAPs to environmental sustainability and biosecurity are further exacerbated under the COVID-19 pandemic. The environmental disturbances resulting from IAPs can be attributed to several mechanisms/ hypothesis (e.g., novel weapon (NW), enemy release (ER), and evolution of increased competitive ability (EICA), efficient reproductive attributes, and phenotypic plasticity, etc.) deployed by IAPs. Nevertheless, the interrelationship of IAPs with environmental degradation and restoration remain elusive especially in terms of ecological sustainability. Moreover, there is a dearth of studies which empirically assess the synergies of IAPs spread with other anthropogenic disturbances such as climate and land-use change. In this context, the present review is aimed to depict the impacts of IAPs on environment and also to assess their role as drivers of ecosystem degradation. The restoration prospects targeted to revitalize the associated abiotic (soil and water) and biotic environment (biodiversity) are also discussed in detail. Furthermore, the effects of IAPs on socio-economy, livelihood, and plant-soil microbe interactions are emphasized. On the other hand, the ecosystem services of IAPs such as associated bioresource co-benefits (e.g., bioenergy, phytoremediation, biopolymers, and ethnomedicines) can also be vital in sustainable management prospects. Nevertheless, IAPs-ecological restoration interrelationship needs long-term pragmatic evaluation in terms of ecological economics and ecosystem resilience. The incorporation of 'hybrid technologies', integrating modern scientific information (e.g., 'biorefinery': conversion of IAPs feedstock to produce bioenergy/biopolymers) with traditional ecological knowledge (TEK) can safeguard the environmental sustainability in the Anthropocene. Importantly, the management of IAPs in concert with circular economy principles can remarkably help achieving the target of UN Sustainable Development Goals and UN-Decade on Ecosystem Restoration.

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