Peter J. Van Der Meer

The Effects of Peat Swamp Forest Patches and Riparian Areas within Large Scale Oil Palm Plantations on Bird Species Richness

Bettycopa Amit, Wauter Ralph Klok, Peter J. Van Der Meer, Nik Sasha Khatrina Khairuddin et autres

It is well established that oil palm is one of the most efficient and productive oil crops. However, oil palm agriculture is also one of the threats to tropical biodiversity. This study aims to investigate how set-aside areas in an oil palm …

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Pre-certification conditions of independent oil palm smallholders in Indonesia. Assessing prospects for RSPO certification

Rosanne E. de Vos, Aritta Suwarno, M.A. Slingerland, Peter J. Van Der Meer et autres

Smallholders, who cultivate ±30% of the global palm oil land, are critical to the realization of a sustainable palm oil sector. However, particularly independent smallholders, untied to mills, lag behind in yields and experience challenges to market their produce. Sustainability certification, such …

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Agroforestry orchards support greater butterfly diversity than monoculture plantations in the tropics

Wan Mamat Wan Zaki, Muhammad Syafiq Yahya, Ahmad Razi Norhisham, Ruzana Sanusi et autres

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The Contribution of Women Groups in Bogor-Urban Agriculture

Ika Satyasari, Peter J. Van Der Meer

This action research was undertaken in 2019 as part of the "Our Garden, Our Healthy Food" initiative of the DeTara Foundation in Bogor, Indonesia and as a master thesis project for the Agriculture Production Chain Management program at Van Hall Larenstein University …

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Water table depth modulates productivity and biomass across Amazonian forests

Thaiane Rodrigues de Sousa, Juliana Schietti, Igor Oliveira Ribeiro, Thaíse Emilio et autres

Abstract Aim Water availability is the major driver of tropical forest structure and dynamics. Most research has focused on the impacts of climatic water availability, whereas remarkably little is known about the influence of water table depth and excess soil water on …

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Historical data guides restoration of degraded peat swamp forests in Southeast Asia

J van Hoeflaken, Malcom Demies, Peter J. Van Der Meer

Abstract Peat swamp forests in Southeast Asia are under heavy pressure. Deforestation, forest degradation, wildfires, and drainage have damaged or destroyed substantial areas of the once extensive peat swamp forest formations. Several efforts are underway to rehabilitate degraded peat forests areas in …

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Developing sustainable and profitable solutions for peatland restoration

Peter J. Van Der Meer, Hesti Lestari Tata, Dony Rachmanadi, Yudi Firmanul Arifin et autres

Abstract Over the past decades, a large area of peat swamp forests in Indonesia has been cleared of the original forest cover and developed as agricultural lands. Several important issues are associated with the clearing and drainage of peat forest areas, including …

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Independent oil palm smallholder management practices and yields: can RSPO certification make a difference?

Rosanne E. de Vos, Aritta Suwarno, M.A. Slingerland, Peter J. Van Der Meer et autres

Abstract Smallholders are a substantial part of the oil palm sector and thus are key to achieving more sustainable production. However, so far their yields remain below potential. The Roundtable on Sustainable Oil Palm (RSPO) aims to include smallholders in sustainability certification …

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Pengaruh genangan dan kompetisi cahaya terhadap tingkat keberhasilan penanaman pada hutan rawa gambut terdegradasi

Dony Rachmanadi, Eny Faridah, Sumardi Sumardi, Peter J. Van Der Meer et autres

Planting was done as a rehabilitation effort at degraded tropical peatland. Understanding the characteristics of the species and environmental conditions that affect plant growth will determine the success of the planting. This study aims to determine the main environmental factors that affect …

A study on outcomes of RSPO certification for independent smallholders in Central Kalimantan : Technical report by the SEnSOR programme

R.E. de Vos, Aritta Suwarno, M.A. Slingerland, Peter J. Van Der Meer et autres

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Keanekaragaman Potensi Regenerasi Vegetasi pada Hutan Rawa Gambut: Studi Kasus di Kawasan Hutan Dengan Tujuan Khusus (KHDTK) Tumbang Nusa, Kalimantan Tengah

Dony Rachmanadi, Eny Faridah, Peter J. Van Der Meer

Degradasi ekosistem hutan termasuk hutan rawa gambut umumnya diwakili oleh degradasi tutupan vegetasi. Degradasi hutan cenderung mengikuti gradien jarak dari tepi hutan menuju ke dalam hutan. Tujuan dari penelitian adalah untuk mengetahui keanekaragaman dan dominasi potensi regenerasi alami di hutan rawa gambut …

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Evolutionary heritage influences Amazon tree ecology

Fernanda Coelho de Souza, Kyle Graham Dexter, Oliver Lawrence Phillips, Roel J. W. Brienen et autres

Lineages tend to retain ecological characteristics of their ancestors through time. However, for some traits, selection during evolutionary history may have also played a role in determining trait values. To address the relative importance of these processes requires large-scale quantification of traits …

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