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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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File: /var/www/html/application/controllers/Detail.php
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New Zealand's geographic isolation, lack of native terrestrial mammals, and Gondwanan origins make it an ideal location to study evolutionary processes. However, since the archipelago was first settled by humans 750 y ago, its unique biodiversity has been under pressure, and today an estimated 49% of the terrestrial avifauna is extinct. Current efforts to conserve the remaining fauna rely on a better understanding of the composition of past ecosystems, as well as the causes and timing of past extinctions. The exact temporal and spatial dynamics of New Zealand's extinct fauna, however, can be difficult to interpret, as only a small proportion of animals are preserved as morphologically identifiable fossils. Here, we conduct a large-scale genetic survey of subfossil bone assemblages to elucidate the impact of humans on the environment in New Zealand. By genetically identifying more than 5,000 nondiagnostic bone fragments from archaeological and paleontological sites, we reconstruct a rich faunal record of 110 species of birds, fish, reptiles, amphibians, and marine mammals. We report evidence of five whale species rarely reported from New Zealand archaeological middens and characterize extinct lineages of leiopelmatid frog ( sp.) and kākāpō () haplotypes lost from the gene pool. Taken together, this molecular audit of New Zealand's subfossil record not only contributes to our understanding of past biodiversity and precontact Māori subsistence practices but also provides a more nuanced snapshot of anthropogenic impacts on native fauna after first human arrival.
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http://dx.doi.org/10.1073/pnas.1803573115 | DOI Listing |
Proc Natl Acad Sci U S A
January 2025
Faculty of Archaeology, Leiden University, Leiden 2300RA, The Netherlands.
The early populations that inhabited the Antilles were traditionally understood as highly mobile groups of hunters/fishers and gatherers. Although more recent data have demonstrated that some populations engaged in the production of domestic plants and cultivars, questions remain about other aspects of their lifeways, including whether the adoption of domesticates was accompanied by a decrease in residential mobility. The level of sedentism in a population is an instrumental variable to understand community social relations and complexity, adaptations, and lifeways.
View Article and Find Full Text PDFJ Anthropol Sci
December 2024
Independent Researcher, Rome, Italy.
Human nutrition represents a dynamic interplay between biological evolution and cultural development, profoundly shaping dietary practices and health outcomes. This paper traces the dietary evolution of the genus Homo, from practices like foraging, scavenging, hunting, and gathering to the Neolithic transition towards agropastoral subsistence. These changes influenced human biology, evident in genetic adaptations such as lactase persistence and amylase gene copy variation, and reshaped societal structures and population dynamics.
View Article and Find Full Text PDFProteomics
December 2024
Fullerton, Biological Sciences, California State University, Fullterton, California, USA.
PLoS One
November 2024
ESPACE-DEV, Univ Montpellier, IRD, Univ Guyane, Univ Réunion, Univ Perpignan, Montpellier, France.
The environmental and multi-sectoral challenges faced by small islands requires consideration of sustainability issues. The sustainability challenges in these regions involve in particular the achievement of a greater autonomy through the development of local resources. This is a complex system that encompasses interconnections between the resources available and the land use.
View Article and Find Full Text PDFMol Ecol Resour
November 2024
Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Québec, Canada.
Single nucleotide polymorphism (SNP) panels are powerful tools for assessing the genetic population structure and dispersal of fishes and can enhance management practices for commercial, recreational and subsistence mixed-stock fisheries. Arctic Char (Salvelinus alpinus), Brook Trout (Salvelinus fontinalis) and Lake Whitefish (Coregonus clupeaformis) are among the most harvested and consumed fish species in Northern Indigenous communities in Canada, contributing significantly to food security, culture, tradition and economy. However, genetic resources supporting Indigenous fisheries have not been widely accessible to northern communities (e.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!