Articles tagged with Primary Productivity
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A new study using NASA's PACE satellite data established a novel method to determine global plant productivity. The technique relies on the light plants reflect, allowing for accurate capture of short-term changes. This approach has significant implications for understanding carbon sequestration, climate change, and ecosystem monitoring.
A recent study reveals that microplastic pollution decreases photosynthetic efficiency by 7.05–12.12% across terrestrial plants, marine algae, and freshwater algae, leading to estimated annual losses of 4.11–13.52% for key staple crops like rice, wheat, and maize.
Researchers analyzed global gross primary productivity trends over 1982-2016, finding a 68% decrease across 68% of the terrestrial surface. The decline is attributed to a reduction in the CO2 fertilization effect, which has negative effects on plant growth due to nutrient deficiencies.
A new study reveals that climate models overestimate the storage time of carbon in plants, meaning it is released back into the atmosphere sooner than predicted. This has implications for nature-based carbon removal projects and our understanding of the role of nature in mitigating climate change.
A new study by the University of Washington challenges previous findings of declining phytoplankton in the North Atlantic. The researchers analyzed an ice core from central Greenland and found that human-generated pollutants changed the atmosphere's chemistry, offsetting a decrease in marine productivity.
By analyzing satellite imagery and tracking net primary productivity, researchers aim to predict how ecosystems will respond to climate change. Their model suggests that the rate at which ecosystems adapt to changing conditions is a critical component to reducing uncertainty about future projections.
A new study reveals the Gulf of Maine is being increasingly influenced by warm water from the North Atlantic, leading to significant changes in its food web. The warming is driven by an influx of North Atlantic water, which has raised temperatures and salinity levels, impacting marine life.
The study assessed meadow ecosystem biomass to understand its contribution to carbon sequestration. It used species composition and functional groups to predict biomass values, finding a reliable method for assessing productivity without collecting data.
The deployment of thousands of autonomous robots called BGC-Argo floats is transforming our understanding of marine primary productivity on a global scale. By measuring oxygen production over time, researchers can estimate net primary productivity and shed light on the ocean's role in storing carbon.
Researchers warn that a nuclear conflict between India and Pakistan would release massive amounts of black carbon into the atmosphere, blocking out sunlight and cooling the planet by 2-5°C. This would lead to severe droughts, diminished plant growth, and potentially mass starvation, threatening global stability.
Coral reefs optimize their photosynthetic capacities to prevailing environmental conditions, such as light availability, temperature, and nutrient levels. This adaptation allows reef organisms to respond to stresses like global climate change, with potential implications for measuring reef health and ecosystem function.
Researchers found tropical forests' gross primary productivity increases with warming temperatures but slows down at optimal range of 28-29 degrees Celsius, before declining at high temperatures.
Research in Tibetan alpine grasslands found that climate warming does not decrease productivity, but rather changes the composition of plant species to stabilize production. The study's findings suggest that shifting species composition enables communities to access more water and buffer against drought-induced declines.
A new study by University of Arizona researchers found that plant size and age control most of the variation in plant productivity, not temperature and precipitation as traditionally thought. Climate still plays an important role, but its influence on ecosystem functioning has been revised.
Bacteria are a crucial component of Earth's biodiversity. Increasing primary productivity in experimental ponds results in changes to the number and types of bacteria present, with differences observed across various taxonomic groups.