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Asymmetric density dependence shapes species abundances in a tropical tree community

Background

This study examined the question: why are some species common in tropical rainforests while others are rare?

Goals & Methods

The research, which used a computer modeling approach to analyze data from 20,000 1-meter squared plots, examined the degree to which being close to another individual of the same species affected the studied individual's overall abundance.

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Mangrove recruitment after forest disturbance is facilitated by herbaceous species in the Caribbean

Background

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On the hope for biodiversity-friendly tropical landscapes

Background

As pristine tropical forests get harder to preserve, much expectation has been allocated to the conservation of ecosystem services and biodiversity into Human-modified landscales (HMLs). However, it has not been fully assessed to what degree HMLs are able to sustain ecosystem services and what management practices can enhance biodiversity conservatoin in them.

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Bioremediation of a crude-oil polluted agricultural-soil at Port Harcourt, Nigeria

Background

Since more than 98% of Nigeria’s current economic support is crude oil, and oil spills are in inevitable and frequent, six treatment sample-cell were tested on the soils of the Niger Delta of Nigeria for crude oil bioremediation. Oil spills cause nitrogen levels to decrease, while increasing carbon content. A decrease in nitrogen and the toxicity of crude oil reduces the growth of heterotrophic bacteria, which utilize petroleum carbon for cell synthesis.

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Long-term changes in liana loads and tree dynamics in a Malaysian forest

Background

Increasingly lianas are recognized as one of the most important growth form in seasonal tropical forest, yet there has been limited research that has studied the effects in other forests. This study discusses the effect of lianas on tree growth, reproduction, and survivorship in a Southeast Asian Dipterocarp forest.

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Agroforestry: a refuge for tropical biodiversity?

Background

This paper provides a literature review on the role of agroforestry in conserving biodiversity within human-dominated landscapes.

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Birds of the Man Made Ecosystems: the Plantations

Background

The authors compare bird diversity in Uttara Kannada, India, comparing intact evergreen and secondary moist deciduous forests to teak, eucaplypts and betelnut plantations with the intent of addressing two questions: what level of diversity can a plantation support and how to species compositions compare to nearby forests?

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Ecological Restoration and Livelihood: Contribution of Planted Mangroves as Nursery and Habitat for Artisanal and Commercial Fishery

Background

This study examines the relationship between planted mangrove habitats and the flow of ecosystem services in the state of Gujarat in Western India. While the thousands of restored hectares in this region are not representative - they are mostly comprised of Avicenna marina, are sparse, and lack fresh water - the study does fill a knowledge gap concerning mangrove restoration.

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Development of the soil macrofauna community under silvopastoral and agrosilvicultural systems in Amazonia

Background

The Brazilian Amazon has experienced extensive land conversion from forests to cattle pasture, many of which now lay abandoned. Agro-forestry serves as one potential solution to this problem and this study examines the re-establishment of a diversified soil macrofauna in order to inform this approach.

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Patterns of local wood use and cutting of Philippine mangrove forests

Background

Harvesting for wood in mangroves is a common practice yet there has been limited studies. This paper takes a unique approach through integrating ecological and ethnographic methods in order to study local wood use and cutting of mangrove forests in two areas of the Philippines. 

Goals & Methods

The author conducted a series of 202 household interviews to determine how villagers used mangrove resources in North and South Bais Bay and Bindoy,  Negros Oriental, and on Banacon Island, Bohol.

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