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"Palms History."
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Decoding palm culture
A comprehensive exploration of the cultural, historical, and artistic significance of palm trees through the lens of Francesco Ragazzi's photography.
BOOK
Oil Palm
Oil palms are ubiquitous-grown in nearly every tropical country, they supply the world with more edible fat than any other plant and play a role in scores of packaged products, from lipstick and soap to margarine and cookies. And as Jonathan E. Robins shows, sweeping social transformations carried the plant around the planet. First brought to the global stage in the holds of slave ships, palm oil became a quintessential commodity in the Industrial Revolution. Imperialists hungry for cheap fat subjugated Africa's oil palm landscapes and the people who worked them. In the twentieth century, the World Bank promulgated oil palm agriculture as a panacea to rural development in Southeast Asia and across the tropics. As plantation companies tore into rainforests, evicting farmers in the name of progress, the oil palm continued its rise to dominance, sparking new controversies over trade, land and labor rights, human health, and the environment. By telling the story of the oil palm across multiple centuries and continents, Robins demonstrates how the fruits of an African palm tree became a key commodity in the story of global capitalism, beginning in the eras of slavery and imperialism, persisting through decolonization, and stretching to the present day.
eBook
A plastid phylogenomic framework for the palm family (Arecaceae)
Background
Over the past decade, phylogenomics has greatly advanced our knowledge of angiosperm evolution. However, phylogenomic studies of large angiosperm families with complete species or genus-level sampling are still lacking. The palms, Arecaceae, are a large family with ca. 181 genera and 2600 species and are important components of tropical rainforests bearing great cultural and economic significance. Taxonomy and phylogeny of the family have been extensively investigated by a series of molecular phylogenetic studies in the last two decades. Nevertheless, some phylogenetic relationships within the family are not yet well-resolved, especially at the tribal and generic levels, with consequent impacts for downstream research.
Results
Plastomes of 182 palm species representing 111 genera were newly sequenced. Combining these with previously published plastid DNA data, we were able to sample 98% of palm genera and conduct a plastid phylogenomic investigation of the family. Maximum likelihood analyses yielded a robustly supported phylogenetic hypothesis. Phylogenetic relationships among all five palm subfamilies and 28 tribes were well-resolved, and most inter-generic phylogenetic relationships were also resolved with strong support.
Conclusions
The inclusion of nearly complete generic-level sampling coupled with nearly complete plastid genomes strengthened our understanding of plastid-based relationships of the palms. This comprehensive plastid genome dataset complements a growing body of nuclear genomic data. Together, these datasets form a novel phylogenomic baseline for the palms and an increasingly robust framework for future comparative biological studies of this exceptionally important plant family.
Journal Article
Oil palm monoculture induces drastic erosion of an Amazonian forest mammal fauna
Oil palm monoculture comprises one of the most financially attractive land-use options in tropical forests, but cropland suitability overlaps the distribution of many highly threatened vertebrate species. We investigated how forest mammals respond to a landscape mosaic, including mature oil palm plantations and primary forest patches in Eastern Amazonia. Using both line-transect censuses (LTC) and camera-trapping (CT), we quantified the general patterns of mammal community structure and attempted to identify both species life-history traits and the environmental and spatial covariates that govern species intolerance to oil palm monoculture. Considering mammal species richness, abundance, and species composition, oil palm plantations were consistently depauperate compared to the adjacent primary forest, but responses differed between functional groups. The degree of forest habitat dependency was a leading trait, determining compositional dissimilarities across habitats. Considering both the LTC and CT data, distance from the forest-plantation interface had a significant effect on mammal assemblages within each habitat type. Approximately 87% of all species detected within oil palm were never farther than 1300 m from the forest edge. Our study clearly reinforces the notion that conventional oil palm plantations are extremely hostile to native tropical forest biodiversity, which does not bode well given prospects for oil palm expansion in both aging and new Amazonian deforestation frontiers.
Journal Article
Crossing in oil palm: a manual
Oil palm is the world's most important oil crop and crossing is used extensively in the production of commercial seed, breeding and genetic studies. This book illustrates crossing techniques to maximise success and safeguard purity, enabling the production of high quality seeds to grow-on as planting material and in breeding superior cultivars.Presenting sound practices based on scientific innovation in plant breeding, this guide provides techniques integrated with expertise and application of sustainable aspects of agronomy and crop protection, alongside information and imaging technology. Promoting green, eco-friendly agriculture, this book covers: biology and genetics, germplasm, target traits and commercial crossing; health and safety considerations in the field and laboratory; pollen collection and storage, pollen viability testing, and pollination; isolation of the female inflorescence; and commercial tenera production.Based on experience and protocols, this is an invaluable manual for students and researchers in agriculture, plant breeders, growers and end users interested in the practicalities of oil palm crossing for breeding and commercial seed production
eBook
Approaching the Bible in medieval England
How did people learn their Bibles in the Middle Ages? Did church murals, biblical manuscripts, sermons or liturgical processions transmit the Bible in the same way? This book unveils the dynamics of biblical knowledge and dissemination in thirteenth- and fourteenth-century England. An extensive and interdisciplinary survey of biblical manuscripts and visual images, sermons and chants, reveals how the unique qualities of each medium became part of the way the Bible was known and recalled; how oral, textual, performative and visual means of transmission joined to present a surprisingly complex biblical worldview. This study of liturgy and preaching, manuscript culture and talismanic use introduces the concept of biblical mediation, a new way to explore Scriptures and society. It challenges the lay-clerical divide by demonstrating that biblical exegesis was presented to the laity in non-textual means, while the ‘naked text’ of the Bible remained elusive even for the educated clergy.
eBook