Review Article

Frugivory and seed dispersal in the Cerrado: Network structure and defaunation effects

Background

Seed dispersal is an important process for ecosystem functioning. The Brazilian Cerrado, the world’s largest and most biodiverse savanna, contains a plethora of animal dispersed plant woody plant species. The Cerrado region is understudied and identifying species roles in ecosystem networks needs to be better understood for evolutionary and conservation purposes.

Goals and Methods

The authors conduct a systematic literature review to form a seed dispersal network of the Cerrado. Plant-frugivore interactions, plant and animal species studies, and dispersal network papers are examined and included in a matrix for analysis.

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Why bees are critical for achieving sustainable development

Background

Bees are the most dominant group of pollinators and they may hold a key to achieving the United Nation’s Sustainable Development Goals (SDGs). They have a great potential for promoting agricultural success, providing people with crop pollination services. However bee populations are declining due to habitat loss, pesticide use, and climate change. Knowing the extent to which bees contribute to SDGs  and identifying their critical roles within SDGs is important for conservation targeting.

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Active restoration of secondary and degraded forests in the context of the UN Decade on Ecosystem Restoration

Background

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Removing climbers more than doubles tree growth and biomass in degraded tropical forests

Background

Tree climbing plants such as lianas are known to inhibit forest recovery by outcompeting trees after disturbances. The removal of climbers is recognized as a viable forest restoration management practice, however no best practices are established yet due to lack of research repetition and synthesis.

Goals and Methods

The authors conduct a literature review on climber removal studies in tropical forests in order to quantify removal efficacy for promoting tree growth and increasing biomass.

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Overcoming biotic homogenization in ecological restoration

Background

Regional, or gamma, diversity is often lower in restored landscapes compared to reference landscapes due to the selection of few desirable species for planting. Lowered diversity in restored landscapes is leading to overall biotic homogenization which puts ecosystems and humans in a more vulnerable position for adapting to environmental changes.

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Towards integrated pest and pollinator management in tropical crops

Background

Insect-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.

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Controlling invasive plant species in ecological restoration: A global review

Background

Invasive 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.

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Tropical surface gold mining: A review of ecological impacts and restoration strategies

BACKGROUND

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Introduction to the Special Issue on “Interdisciplinarity in Geography Educational Experiences Abroad”

Background

The authors provide an overview of the articles in a special issue of the journal The Geography Teacher on interdisciplinarity in geography study abroad programs.

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Cash for conservation: Do payments for ecosystem services work?

Background

Payments for ecosystem services (PES) programs make payments to land owners for the ecosystem services such as clean water or carbon storage that their land provides to create incentives to protect the land. One of the objectives of these projects is to promote local economic development along with conservation outcomes. Researchers have sought to critically assess the assumptions behind these programs and their implementation.

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