Complexities of nitrogen isotope biogeochemistry in plant-soil systems: implications for the study of ancient agricultural and animal management practices

P Szpak - Frontiers in plant science, 2014 - frontiersin.org
Nitrogen isotopic studies have the potential to shed light on the structure of ancient
ecosystems, agropastoral regimes, and human-environment interactions. Until relatively …

Natural organic compounds for application in organic farming

EF Durán-Lara, A Valderrama, A Marican - Agriculture, 2020 - mdpi.com
Chemical fertilizers, pesticides, and fungicides are widely used in agriculture to improve
crop yields. Most of the compounds used are synthetic, and their overuse causes …

Stable isotope analysis: a tool for studying past diet, demography, and life history

MA Katzenberg, AL Waters‐Rist - Biological anthropology of …, 2018 - Wiley Online Library
Stable isotope analysis is a well‐established tool for studying past human remains.
Applications have grown exponentially in the past 15 years, with studies focusing on living …

'White gold' guano fertilizer drove agricultural intensification in the Atacama Desert from ad 1000

F Santana-Sagredo, RJ Schulting, P Méndez-Quiros… - Nature Plants, 2021 - nature.com
The archaeological record shows that large pre-Inca agricultural systems supported
settlements for centuries around the ravines and oases of northern Chile's hyperarid …

Carbon and nitrogen isotopic survey of northern Peruvian plants: baselines for paleodietary and paleoecological studies

P Szpak, CD White, FJ Longstaffe, JF Millaire… - PloS one, 2013 - journals.plos.org
The development of isotopic baselines for comparison with paleodietary data is crucial, but
often overlooked. We review the factors affecting the carbon (δ13C) and nitrogen (δ15N) …

The influence of seabirds on their breeding, roosting and nesting grounds: A systematic review and meta‐analysis

ML Grant, AL Bond, JL Lavers - Journal of Animal Ecology, 2022 - Wiley Online Library
Seabird species world‐wide are integral to both marine and terrestrial environments,
connecting the two systems by transporting vast quantities of marine‐derived nutrients and …

Seabird droppings: Effects on a global and local level

S De La Peña-Lastra - Science of the Total Environment, 2021 - Elsevier
Seabirds, with approximately 1 billion specimens, are the main exchangers of nutrients
between Terrestial and Marine Systems and they have become an emerging interest group …

Interpreting ancient food practices: stable isotope and molecular analyses of visible and absorbed residues from a year-long cooking experiment

MJ Miller, HL Whelton, JA Swift, S Maline… - Scientific reports, 2020 - nature.com
Chemical analyses of carbonized and absorbed organic residues from archaeological
ceramic cooking vessels can provide a unique window into the culinary cultures of ancient …

Small scale camelid husbandry on the north coast of Peru (Virú Valley): Insight from stable isotope analysis

P Szpak, JF Millaire, CD White, FJ Longstaffe - Journal of Anthropological …, 2014 - Elsevier
This study presents carbon and nitrogen isotopic compositions for bone collagen and
serially sampled hair from a large collection of South American camelids from two Early …

Climate and demography drive 7000 years of dietary change in the Central Andes

KM Wilson, WC McCool, SC Brewer… - Scientific Reports, 2022 - nature.com
Explaining the factors that influence past dietary variation is critically important for
understanding changes in subsistence, health, and status in past societies; yet systematic …