Future Of The Human Climate Niche Pnas

Future of the human climate niche | PNAS.

The realized human climate niche relative to available combinations of MAT and precipitation. Human populations have historically remained concentrated in a narrow subset (A-C) of the available climatic range (G), which is not explained by soil fertility (H) or potential primary productivity (I).Current production of crops (D) and livestock (E) are largely congruent with the ....


Effects of climate change - Wikipedia.

The effects of climate change span the impacts on physical environment, ecosystems and human societies due to human-caused climate change.The future impact of climate change depends on how much nations reduce greenhouse gas emissions and adapt to climate change. Effects that scientists predicted in the past--loss of sea ice, accelerated sea level rise and longer, more ....


Human–environment interactions in population and ecosystem health - PNAS.

Dec 08, 2016 . The field of epidemiology is rooted in ecological theory. The principles of species conservation are fundamental to infectious disease epidemiology, except the goal is reversed: we aim to push a pathogen species to extinction. The increasingly mobile and dense human population represents a continuously expanding niche for infectious diseases..


Evolution of human intelligence - Wikipedia.

The evolution of human intelligence is closely tied to the evolution of the human brain and to the origin of language.The timeline of human evolution spans approximately seven million years, from the separation of the genus Pan until the emergence of behavioral modernity by 50,000 years ago. The first three million years of this timeline concern Sahelanthropus, the following two million ....


History of agriculture - Wikipedia.

Localised climate change is the favoured explanation for the origins of agriculture in the Levant. When major climate change took place after the last ice age (c. 11,000 BC), much of the earth became subject to long dry seasons. These conditions favoured annual plants which die off in the long dry season, leaving a dormant seed or tuber..


Human ecology - Wikipedia.

Human ecology is an interdisciplinary and transdisciplinary study of the relationship between humans and their natural, social, and built environments.The philosophy and study of human ecology has a diffuse history with advancements in ecology, geography, sociology, psychology, anthropology, zoology, epidemiology, public health, and home economics, among others..


A vascularized model of the human liver mimics regenerative ... - PNAS.

The liver possesses a unique capability to return to a constant size within a short time period after tissue loss (1-3).The most common model for studying liver regeneration is the two-thirds partial hepatectomy (PHx), which was first described in rats by Higgins in 1931 ().During PHx, a large portion of the liver mass is resected, after which a coordinated regenerative response follows..


Climate Endgame: Exploring catastrophic climate change scenarios | PNAS.

Recent findings on equilibrium climate sensitivity (ECS) (14, 24) underline that the magnitude of climate change is uncertain even if we knew future GHG concentrations. According to the IPCC, our best estimate for ECS is a 3 ?C temperature rise per doubling of CO 2 , with a "likely" range of (66 to 100% likelihood) of 2.5 ?C to 4 ?C..


Dual inheritance theory - Wikipedia.

Dual inheritance theory (DIT), also known as gene-culture coevolution or biocultural evolution, was developed in the 1960s through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution.Genes and culture continually interact in a feedback loop, changes in genes can lead ....


Male mastodon landscape use changed with maturation (late ... - PNAS.

Jun 13, 2022 . However, alternative explanations for shifts in landscape use are also possible, including coincidental shifts in climate or even changes in human pressure. Large changes to local ecology through bottom-up or top-down mechanisms (including anthropogenic pressures) can impact mammal landscape use and geographic range at population scales (45-47)..


Weekly Climate and Energy News Roundup #509 - Watts Up With ….

Jun 27, 2022 . The Week That Was: 2022-06-25 (June 25, 2022) Brought to You by SEPP (www.SEPP.org)The Science and Environmental Policy Project. Quote of the Week: "Collective fear stimulates herd instinct, and tends to produce ferocity toward those who are not regarded as members of the herd."- Bertrand Russell, Unpopular Essays Number of the Week: 70% ....


Holocene fire history in southwestern China linked to climate ….

Aug 01, 2022 . The Yunnan Plateau is in southwestern China and adjacent to the China-Indochina Peninsula (Fig. 1b).The climate of the region is dominated seasonally by the Indian summer monsoon (ISM) and the East Asian winter monsoon (EAWM) (Wang et al., 2017).The ISM appears in the region in May and peaks in July and August, and the EAWM lasts from October to March..


Biomass (ecology) - Wikipedia.

The biomass is the mass of living biological organisms in a given area or ecosystem at a given time. Biomass can refer to species biomass, which is the mass of one or more species, or to community biomass, which is the mass of all species in the community.It can include microorganisms, plants or animals. The mass can be expressed as the average mass per unit ....


Cultural evolutionary theory: How culture evolves and why it matters - PNAS.

Apr 29, 2017 . Human culture encompasses ideas, behaviors, and artifacts that can be learned and transmitted between individuals and can change over time ().This process of transmission and change is reminiscent of Darwin's principle of descent with modification through natural selection, and Darwin himself drew this explicit link in the case of languages: "The formation of ....


Climate justice - Wikipedia.

Climate justice is a concept that addresses the just division, fair sharing, and equitable distribution of the benefits and burdens of climate change and responsibilities to deal with climate change. "Justice", "fairness", and "equity" are not completely identical, but they are in the same family of related terms and are often used interchangeably in negotiations and politics..


Course Help Online - Have your academic paper written by a ….

All our academic papers are written from scratch. All our clients are privileged to have all their academic papers written from scratch. These papers are also written according to your lecturer's instructions and thus minimizing any chances of plagiarism..


Wildfire - Wikipedia.

A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation starting in rural and urban areas. Some forest ecosystems in their natural state depend on wildfire. Depending on the type of vegetation present, a wildfire can also be classified more specifically as a bushfire (in Australia), desert ....


Climate change adaptation - Wikipedia.

Climate change adaptation is the process of adjusting to current or expected effects of climate change. It is one of the ways to respond to climate change, along with mitigation. For humans, adaptation aims to moderate or avoid harm, and exploit opportunities; for natural systems, humans may intervene to help adjustment. Adaptation actions can be either incremental ....


Dual Influence of Climate Change and Anthropogenic Activities on ….

May 06, 2022 . As the changes in vegetation are determined by both climate and human activities, it is unreasonable to explain the reasons for the change by considering the isolated influence of either climate or human activities. 4.1 Vegetation Changes and Climate. Generally, vegetation types and growth status are directly governed by climate..


Climate change simulations revealed potentially drastic shifts in ....

Feb 01, 2022 . Climate change can cause geographic distribution shifts of plant and animal species globally, thus creating relatively new communities and ecosystems with implications for the entire human society (Pecl et al. 2017).It was reported that each degree-Celsius increase in the global mean temperature could reduce global yields of major crops (i.e., wheat, rice, maize, ....


Climate change: Potential to end humanity is | EurekAlert!.

Aug 01, 2022 . The team behind the PNAS paper propose a research agenda that includes what they call the "four horsemen" of the climate endgame: famine and malnutrition, extreme weather, conflict, and vector ....


Post-disturbance reorganization of forest ecosystems in a ... - PNAS.

The biosphere is undergoing rapid transformation as global climate change increasingly alters ecosystem structure and composition (1, 2).In response to more-frequent and severe disturbances, forests are becoming younger and more open ().Furthermore, climatic extremes increasingly favor trees with lower stature ().Forest tree species composition is shifting toward ....


Climate Endgame: Risk to human extinction or total societal ….

Aug 04, 2022 . The team behind the PNAS paper propose a research agenda that includes what they call the "four horsemen" of the climate endgame: famine and malnutrition, extreme weather, conflict, and vector ....


Climate Endgame: Human extinction risk dangerously ….

Aug 02, 2022 . The team behind the PNAS paper propose a research agenda that includes what they call the "four horsemen" of the climate endgame: famine and malnutrition, extreme weather, conflict, and vector ....


Climate Change: Potential To End Humanity Is 'Dangerously ….

Aug 02, 2022 . "Climate change has played a role in every mass extinction event. It has helped fell empires and shaped history. Even the modern world seems adapted to a particular climate niche," he said. "Paths to disaster are not limited to the direct impacts of high temperatures, such as extreme weather events..


Colony collapse disorder - Wikipedia.

Colony collapse disorder (CCD) is an abnormal phenomenon that occurs when the majority of worker bees in a honey bee colony disappear, leaving behind a queen, plenty of food, and a few nurse bees to care for the remaining immature bees. While such disappearances have occurred sporadically throughout the history of apiculture, and have been known by various names ....


Coral - Wikipedia.

Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria.They typically form compact colonies of many identical individual polyps.Coral species include the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton.. A coral "group" is a colony of very many genetically identical polyps. . Each polyp is a sac-like ....


Climate Change Could Become Catastrophic at Modest Levels of ….

Aug 02, 2022 . The environment for future disease outbreaks could be made worse by hotter and more intense weather as both human and animal habitats change and get smaller. The authors warn that the collapse of the climate system would probably increase other "interacting dangers," such as growing inequality, false information, the dissolution of ....


Human - Wikipedia.

All modern humans are classified into the species Homo sapiens, coined by Carl Linnaeus in his 1735 work Systema Naturae. The generic name "Homo" is a learned 18th-century derivation from Latin homo, which refers to humans of either sex. The word human can refer to all members of the Homo genus, although in common usage it generally just refers to Homo sapiens, the only ....


Pleistocene Park - Wikipedia.

Pleistocene Park (Russian: ?????????????? ????, romanized: Pleystotsenovyy park) is a nature reserve on the Kolyma River south of Chersky in the Sakha Republic, Russia, in northeastern Siberia, where an attempt is being made to re-create the northern subarctic steppe grassland ecosystem that flourished in the area during the last glacial period..


Chapter 4 : Land Degradation — Special Report on Climate ….

Land degradation affects people and ecosystems throughout the planet and is both affected by climate change and contributes to it. In this report, land degradation is defined as a negative trend in land condition, caused by direct or indirect human-induced processes including anthropogenic climate change, expressed as long-term reduction or loss of at least one of the following: ....


Grantham Foundation | Home.

This world map of average temperatures highlights in black those areas that are too hot for human habitation today, and in black shading those areas that will be too hot for humans by the year 2070. Such areas will include some of the most populated regions of the globe. Source: "Future of the human climate niche", Xu et al, PNAS 2020..


Improving the forecast for biodiversity under climate change.

Sep 09, 2016 . On the basis of empirical and theoretical evidence, we identify six biological mechanisms that commonly shape responses to climate change yet are too often missing from current predictive models: physiology; demography, life history, and phenology; species interactions; evolutionary potential and population differentiation; dispersal, colonization, and ....


'No doubt' about climate warming in Ireland as professor lays out ....

Aug 03, 2022 . The team behind the PNAS paper propose a research agenda that includes what they call the "four horsemen" of the climate endgame: famine and malnutrition, extreme weather, conflict, and vector ....


Meat alternatives: an integrative comparison - ScienceDirect.

Jun 01, 2019 . Meat, an important source of protein and other nutrients in human diets, is one of the major drivers of global environmental change in terms of greenhouse gas emissions, land and water use, animal welfare, human health and directions of breeding. ... Future outlook: Preconditions and implications: Environmental sustainability potential ....