Invasive Species Impact and Management
Exotic Eucalypts: From Demonized Trees to Allies of Tropical Forest Restoration?Background:Timber, being a product in high demand globally, presents a lucrative market opportunity, and restoration efforts could potentially generate income through the targeted extraction of this material. While the incorporation of commercially valuable exotic trees might incentivize farmers to participate in restoration projects, it raises significant ecological concerns among experts. Available with subscription or purchase |
Listening for change: quantifying the impact of ecological restoration on soundscapes in a tropical dry forestBackgroundTropical forest host a large portion of global biodiversity and carbon reserves. Heavy loss of these landscapes calls for restoration projects to conserve biodiversity as well as other ecosystem services related to human livelihood. Tropical dry forests are understudied compared to tropical wet forests, though they contain similar quantities of biodiversity, carbon, and sources for livelihood. One threat to tropical forest restoration is species invasion, which is linked to reduced native vegetation and habitat. Open access copy available |
Suppression of seed production as a long-term strategy in weed biological control: The combined impact of two biocontrol agents on Acacia mearnsii in South AfricaBackgroundAcacia mearnsii is a woody plant native to Southeastern Australia and Tasmania. Introduced into South Africa in the mid-1800s for timber, the species has become invasive to the region. Reducing the amount of precipitation reaching the ground, hindering agriculture and lowering biodiversity are just a few of the detrimental impacts. Though there has been pushback to controlling this species for commercial interests, two biological control agents, a seed-feeding weevil and a flower-galling midge are known to control species spread and are introduced to the region. Available with subscription or purchase |
Old timber plantations and secondary forests attain levels of plant diversity and structure similar to primary forests in the West African humid tropicsBackgroundThere is a high rate of biodiversity loss and deforestation in tropical ecosystems. In order to maintain global biodiversity, it is necessary to conserve plant diversity in alternative forest landscapes such as secondary forests and plantations. Comparing conservation values and tradeoffs of different forest landscapes is important for sustainable forest management and conservation practices. Open access copy available |
Multiple invasions exert combined magnified effects on native plants, soil nutrients and alters the plant-herbivore interaction in dry tropical forestBackgroundGlobalization has resulted in a higher number of species invasions, which have had detrimental impacts on ecosystem biodiversity, functions, and services. Assessment and management of all invasive species is based on knowledge of a small number of species. Management is also focused on single-species invasions rather than multiple simultaneous invasions. India has a high level of species invasions and minimal resources to control them. Available with subscription or purchase |
Towards integrated pest and pollinator management in tropical cropsBackgroundInsect-mediated services such as pollination and pest control are important for agriculture. Nearly 75% of the worlds’ crops depend on animal pollination. Overuse of pesticide impacting the health of agricultural landscapes and animal species is a growing concern. Integrated pest and pollinator management (IPPM) co-manages pollination and pest control with preventative and biodiversity-based practices. However, IPPM is newly conceptualized and remains mostly theoretical. Available with subscription or purchase |
Controlling invasive plant species in ecological restoration: A global reviewBackgroundInvasive plant species are known to impede the growth and establishment of many native plant species while influencing other ecosystem features such as soil properties, fire regimes, hydrology, and human well-being. This article presents the findings of a literature review of 372 articles to better understand the impact of invasive species and control methods to highlight gaps in overall knowledge of the topic. Available with subscription or purchase |
Trade-offs at applying tree nucleation to restore degraded high Andean forests in ColombiaBackgroundThis article recognizes applied nucleation as a forest restoration strategy in many low to mid altitude forests and aims to compare applied nucleation to passive regeneration at high altitude forests. Applied nucleation is successful at accelerating the speed of forest regeneration, improving soil conditions, and shading out invasive species in many low-mid altitude forests of the neotropics. There are gaps in the literature about the performance of applied nucleation in other tropical regions as well as high attitude tropical forests. Available with subscription or purchase |
Distribution and genetic diversity of five invasive pests of Eucalyptus in sub-Saharan AfricaBACKGROUNDPlantation forestry in Sub- Saharan Africa has been characterized by an introduction of several Eucalyptus species because of their socio- economic benefits. However, these Eucalyptus trees have been affected by non- native foliage feeding insect pests, which have been accidentally introduced, resulting in stunted growth and in some cases mortality. The rate of introduction of non-native eucalypt-feeding insects globally has increased nearly five-fold between the 1980s and 2010s. Open access copy available |
Floristic composition, structure and natural regeneration in a moist semideciduous forest following anthropogenic disturbances and plant invasionBackgroundThis research examined the floristic composition, struture and natural regeneration in three different forests: undisturbed (UF), disturbed-invaded (DIF) and disturbed (DF) within a forest reserve in Ghana. Open access copy available |
