Crops, trees, and birds: Biodiversity change under agricultural intensification in Uganda's farmed landscapes

Bolwig, Simon; Pomeroy, Derek; Tushabe, Herbert; Mushabe, David

doi:10.1080/00167223.2006.10649561

Cited by 38 publications

(37 citation statements)

References 17 publications

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“…A total of 26 sites were selected to represent a range of vegetation and habitat types of varying degrees of anthropogenic disturbance and management intensities. Selected study sites were grouped using human population density as a surrogate measure of agricultural intensity (Bolwig et al 2006). Detailed vegetation, environmental and landscape characteristics of the 26 sites are presented in Munyuli (2011a).…”

Section: Study Area and Selection Of Study Sitesmentioning

confidence: 99%

Drivers of species richness and abundance of butterflies in coffee–banana agroforests in Uganda

Munyuli

2012

International Journal of Biodiversity Science, Ecosystem Servic

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A study was conducted in 26 sites on agricultural landscapes in Central Uganda to collect baseline information about important drivers of butterfly richness and abundance. Data were collected for 1 year (2006) using line transects walk-and-counts, fruit-bait traps and handnets sampling methods. A total of 57,439 individuals belonging to 331 species were collected. Totals of 127, 131 and 299 species were recorded in transect counts, banana-bait and handnets, respectively. Of the 57,439 individuals registered, 75%, 19% and 6% were recorded in transect counts, handnet and banana-bait trap, respectively. Butterfly abundance and species richness were significantly (p < 0.05) affected by climatic factors (rainfall, temperature) in previous years (2004 and 2005) and richness and abundance of wild nectaring plants. Butterfly species richness (not the abundance) decreased with land-use intensity (p < 0.05) and was positively related to the cover of semi-natural habitats. Both butterfly species richness and abundance declined sharply with forest distance. Nearby forest remnants and high cover of semi-natural habitats are thus important for conservation of butterflies in coffee-banana agroforestry systems and farmers should be encouraged to protect such resources.

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Section: Study Area and Selection Of Study Sitesmentioning

confidence: 99%

Drivers of species richness and abundance of butterflies in coffee–banana agroforests in Uganda

Munyuli

2012

International Journal of Biodiversity Science, Ecosystem Servic

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“…inputs of nutrient subsidies through fertiliser drift and down-slope leaching (Duncan et al, 2008), livestock access (Didham et al, 2009) and the spillover of predator or consumer organisms (Blitzer et al, 2012)) could likely compromise the effectiveness of land sparing strategies. Proponents of land sharing advocate the creation of multi-functional agricultural landscapes that generate and utilise natural ecological processes within a social and cultural context (Bolwig et al, 2006;Perfecto and Vandermeer, 2008;Knoke et al, 2009;Barthel et al, 2013). In turn, this approach has been criticised for promoting lower yields and therefore leading to further forest clearance for agriculture.…”

Section: Novel Technologiesmentioning

confidence: 99%

1. Forests, Trees and Landscapes for Food Security and Nutrition

Vira¹,

Agarwal²,

Jamnadass³

et al. 2015

Forests and Food

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PrefaceConnecting the dots W ith the establishment of the Global Forest Expert Panels (GFEP) initiative in the year 2007, the Collaborative Partnership on Forests (CPF) created an international mechanism which effectively links scientific knowledge with political decision-making on forests. The GFEP responds directly to key forest-related policy questions by consolidating available scientific knowledge and expertise on these questions at a global level. It provides decision-makers with the most relevant, objective and accurate information, and thus makes an essential contribution to international forest governance.This report entitled "Forests, Trees and Landscapes for Food Security and Nutrition" presents the results of the fourth global scientific assessment undertaken so far in the framework of GFEP. Previous assessments addressed the adaptation of forests and people to climate change; international forest governance; and the relationship between biodiversity, carbon, forests and people. All assessment reports were prepared by internationally recognised scientists from a variety of biophysical and social science disciplines. They have all been presented to decision-makers across relevant international policy fora. In this way, GFEP supports a more coherent policy dialogue about the role of forests in addressing broader environmental, social and economic challenges.The current report reflects the importance of policy coherence and integration more than any previous GFEP assessment. It comes at a time when the United Nations General Assembly seeks to adopt a set of Sustainable Development Goals (SDGs) which build upon the Millennium Development Goals (MDGs) and converge with the post-2015 development agenda. In this context, the eradication of hunger, realisation of food security and the improvement of nutrition are of particular relevance. By 2050, the international community will face the challenge of providing 9 billion people with food, shelter and energy. Despite impressive productivity increases, there is growing evidence that conventional agricultural strategies will fall short of eliminating global hunger and malnutrition. The assessment report in hand provides comprehensive scientific evidence on how forests, trees and landscapes can be -and must be -an integral part of the solution to this global problem. In other words, we must connect the dots and see the bigger picture.The review of the International Arrangement on Forests by the member states of the United Nations Forum on Forests provides a unique opportunity to integrate forests into the SDGs in a holistic manner and to promote synergies in the implementation of the post-2015 development agenda across multiple levels of governance. It is my hope that those with a responsibility for forests, food security and nutrition at all levels will find this report, and its accompanying policy brief, a useful source of information and inspiration.

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“…La siembra de palma de aceite a escala industrial, ha generado impactos negativos en diversos componentes de la biodiversidad (Aratrakorn, Thunhikorn & Donald, 2006;Fitzherbert et al, 2008;Edwards et. al., 2010;García-Ulloa, Sloan, Pacheco, Ghazoul & Pin Koh, 2012), a través de la degradación de hábitat, destrucción y reemplazamiento de la vegetación nativa, que en el caso de la Orinoquía afecta a bosques húmedos, bosques secos, bosques de galería, pastizales y humedales (Blydenstein, 1967;Bolwing, Pomeroy, Tushabe & Mushabe, 2006;Pinzón, Pardi, Trejos & Midori, 2009), lo que genera cambios en la composición y estructura de la vegetación (Correa & Stevenson, 2010).…”

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“…Estos cultivos son dominados por un reducido número de aves comunes que tienen amplio rango de distribución, mientras que todas aquellas especies asociadas a bosque quedan confinadas a los relictos de vegetación nativa (Aratrakorn et al, 2006;Bolwing et al, 2006;Achondo et al, 2011). Las aves asociadas a estos monocultivos habitan diferentes espacios de la plantación y de acuerdo a la edad de la palma se han encontrado especies distintas.…”

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Efecto de la estructura del cultivo de palma de aceite Elaeis guineensis (Arecaceae) sobre la diversidad de aves en un paisaje de la Orinoquía colombiana

Tamaris

López

Romero

2017

RBT

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Effect of Oil Palm crop structure Elaeis guineensis (Arecaceae) on bird diversity in a tropical landscape of Colombian Orinoquia. The expansion of oil palm plantations has caused drastic changes in natural ecosystems and modifications in the vegetation structure, reducing available habitat for native bird species. We studied birds associated with oil palm plantations plots of different palm size classes, in the foothills of the Colombian Orinoquia region, from August 2013 and February 2014. The palm size clases were three: small up to 6 m height; medium up to 10 m; and large up to 15 m; in each plot we counted birds through line transects, and compared their bird composition, richness, and abundance, and described trophic group structure. We recorded a total of 468 individuals, belonging to 44 bird species and 23 families. Gymnomystax mexicanus, Crotophaga ani and Milvago chimachima were the most abundant species, the first tow representing 4.5 % of the abundant species; 25 % had intermediate abundances and 70.4 % were rare in the plantations area. In terms of the abundance of bird species, medium and large palms plots were more similar. Bird community found in plots with large palms had the highest diversity and uniformity (2.63 and 0.8907, respectively), while in those of small palms it was a greater dominance and abundance of individual birds (0.1825 and 252, each one). For the entire plantation, insectivorous and carnivorous birds predominated, and had greater association with small and large palms. Oil palm stands serve as suitable habitats for a small number of widespread bird species, and the height does not seem to be an important factor, that may meaningfully benefit the composition, richness and abundance of bird species associated with the plantations. Rev. Biol. Trop. 65 (4): 1569-1581. Epub 2017 December 01.

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Crops, trees, and birds: Biodiversity change under agricultural intensification in Uganda's farmed landscapes

Cited by 38 publications

References 17 publications

Drivers of species richness and abundance of butterflies in coffee–banana agroforests in Uganda

Drivers of species richness and abundance of butterflies in coffee–banana agroforests in Uganda

1. Forests, Trees and Landscapes for Food Security and Nutrition

Efecto de la estructura del cultivo de palma de aceite Elaeis guineensis (Arecaceae) sobre la diversidad de aves en un paisaje de la Orinoquía colombiana

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