scholarly journals ATFL1 (Anti-TFL1), a novel orthologue induces flowering in the masting alpine snow tussock, Chionochloa pallens (Poaceae)

2021 ◽  
Author(s):  
Samarth * ◽  
Robyn Lee ◽  
Dave Kelly ◽  
Matthew Turnbull ◽  
Richard Macknight ◽  
...  
Keyword(s):  
Climate Change ◽  
Global Climate ◽  
Perennial Grass ◽  
Nitrogen Levels ◽  
Terminal Flower ◽  
Terminal Flower 1 ◽  
Summer Temperatures ◽  
Potential Impact

Masting, the synchronous highly variable flowering across years by a population of perennial plants, has been shown to be precipitated by many factors including nitrogen levels, drought conditions, spring and summer temperatures. However, the molecular mechanism leading to the initiation of flowering in masting plants in particular years remains largely unknown, despite the potential impact of climate change on masting phenology. We studied genes controlling flowering in Chionochloa pallens, a strongly masting perennial grass. We used a range of in situ and manipulated plants to obtain leaf samples from tillers (shoots) which subsequently remained vegetative or flowered. Here, we show that a novel orthologue of TERMINAL FLOWER 1 (TFL1; normally a repressor of flowering in other species) promotes the induction of flowering in C. pallens (hence Anti-TFL1), a conclusion supported by structural, functional and expression analyses. Global transcriptomic analysis indicated differential expression of CpTPS1, CpGA20ox1, CpREF6 and CpHDA6, emphasising the role of endogenous cues and epigenetic regulation in terms of responsiveness of plants to initiate flowering. Our molecular-based study has provided insights into the cellular mechanism of flowering in masting plants and will supplement ecological and statistical models to predict how masting will respond to global climate change.

scholarly journals ATFL1 (Anti-TFL1), a novel orthologue induces flowering in the masting alpine snow tussock, Chionochloa pallens (Poaceae)

2021 ◽  
Author(s):  
Samarth * ◽  
Robyn Lee ◽  
Dave Kelly ◽  
Matthew Turnbull ◽  
Richard Macknight ◽  
...  
Keyword(s):  
Climate Change ◽  
Global Climate ◽  
Perennial Grass ◽  
Nitrogen Levels ◽  
Terminal Flower ◽  
Terminal Flower 1 ◽  
Summer Temperatures ◽  
Potential Impact

Masting, the synchronous highly variable flowering across years by a population of perennial plants, has been shown to be precipitated by many factors including nitrogen levels, drought conditions, spring and summer temperatures. However, the molecular mechanism leading to the initiation of flowering in masting plants in particular years remains largely unknown, despite the potential impact of climate change on masting phenology. We studied genes controlling flowering in Chionochloa pallens, a strongly masting perennial grass. We used a range of in situ and manipulated plants to obtain leaf samples from tillers (shoots) which subsequently remained vegetative or flowered. Here, we show that a novel orthologue of TERMINAL FLOWER 1 (TFL1; normally a repressor of flowering in other species) promotes the induction of flowering in C. pallens (hence Anti-TFL1), a conclusion supported by structural, functional and expression analyses. Global transcriptomic analysis indicated differential expression of CpTPS1, CpGA20ox1, CpREF6 and CpHDA6, emphasising the role of endogenous cues and epigenetic regulation in terms of responsiveness of plants to initiate flowering. Our molecular-based study has provided insights into the cellular mechanism of flowering in masting plants and will supplement ecological and statistical models to predict how masting will respond to global climate change.

scholarly journals Climate governance in an international system under conservative hegemony: the role of major powers

2012 ◽  
Vol 55 (spe) ◽  
pp. 9-29 ◽  
Author(s):  
Eduardo Viola ◽  
Matías Franchini ◽  
Thaís Lemos Ribeiro
Keyword(s):  
Climate Change ◽  
International Relations ◽  
Global Climate ◽  
International System ◽  
Exploratory Research ◽  
Climate Governance ◽  
Major Powers ◽  
Common Character ◽  
Do So

In the last five years, climate change has been established as a central civilizational driver of our time. As a result of this development, the most diversified social processes - as well as the fields of science which study them - have had their dynamics altered. In International Relations, this double challenge could be explained as follows: 1) in empirical terms, climate change imposes a deepening of cooperation levels on the international community, considering the global common character of the atmosphere; and 2) to International Relations as a discipline, climate change demands from the scientific community a conceptual review of the categories designed to approach the development of global climate governance. The goal of this article is to discuss in both conceptual and empirical terms the structure of global climate change governance, through an exploratory research, aiming at identifying the key elements that allow understanding its dynamics. To do so, we rely on the concept of climate powers. This discussion is grounded in the following framework: we now live in an international system under conservative hegemony that is unable to properly respond to the problems of interdependence, among which - and mainly -, the climate issue.

scholarly journals International climate change negotiation: the role of Brazil

2019 ◽  
Vol 10 (3) ◽  
pp. 379-395
Author(s):  
Marcela Cardoso Guilles Da Conceição ◽  
Renato de Aragão Ribeiro Rodrigues ◽  
Fernanda Reis Cordeiro ◽  
Fernando Vieira Cesário ◽  
Gracie Verde Selva ◽  
...  
Keyword(s):  
Climate Change ◽  
Global Climate ◽  
International Negotiation ◽  
Climate Change Negotiations ◽  
Essential Condition ◽  
Average Temperature ◽  
Social And Economic Development ◽  
International Climate ◽  
International Climate Change

The increase of greenhouse gases in the atmosphere raises the average temperature of the planet, triggering problems that threaten the survival of humans. Protecting the global climate from the effects of climate change is an essential condition for sustaining life. For this reason, governments, scientists, and society are joining forces to propose better solutions that could well-rounded environmentally, social and economic development relationships. International climate change negotiations involve many countries in establishing strategies to mitigate the problem. Therefore, understanding international negotiation processes and how ratified agreements impact a country is of fundamental importance. The purpose of this paper is to systematize information about how climate negotiations have progressed, detailing key moments and results, analyzing the role that Brazil played in the course of these negotiations and the country’s future perspectives.

scholarly journals Principles of Kyoto and Emissions Trading Systems: A Primer for Energy Lawyers

2020 ◽  
Author(s):  
Brian Evans
Keyword(s):  
Climate Change ◽  
Kyoto Protocol ◽  
Emissions Trading ◽  
Policy Instruments ◽  
Trading Systems ◽  
Policy Responses ◽  
Legislative Authority ◽  
Depth Analysis ◽  
Potential Impact

The Kyoto Protocol defines new emissions standards to be met by the international community in respect of greenhouse gases, the aim of which is to curb the present trend of adverse climate change. The specific responses of ratifying governments to bring about the desired changes will significantly impact citizenry and industry alike. This article addresses the issues surrounding emissions trading systems as market-based policy instruments that may ultimately contribute to Canada s legislative response to the Kyoto standards. Central to this question is the need to familiarize legal practitioners with the implications of climate change and the range of policy responses available to government in the context of emissions trading systems. The author examines responses open to the governments of Canada and Alberta through a review of the international reaction to climate change, the role of emissions trading in environmental regulation generally and the anticipated use of emissions trading to comply with the Kyoto Protocol in the future. The author presents an in-depth analysis of the principles underlying the design of domestic emissions trading systems, of the legislative authority surrounding their implementation and of the need for affected businesses to strategically plan for ensuing changes. The author concludes that while Canada has not yet adopted a policy on domestic emissions trading systems in respect of the Kyoto Protocol, the potential impact of emission standards on domestic sources is pronounced, meriting an inspection of the design features that may form a pan of such trading schemes.

scholarly journals Finance and Management for the Anthropocene

2019 ◽  
Vol 32 (1) ◽  
pp. 26-40 ◽  
Author(s):  
Paul Shrivastava ◽  
Laszlo Zsolnai ◽  
David Wasieleski ◽  
Mark Stafford-Smith ◽  
Thomas Walker ◽  
...  
Keyword(s):  
Climate Change ◽  
Negative Impact ◽  
Global Climate ◽  
Scientific Evidence ◽  
Social Activities ◽  
Planetary Boundaries ◽  
Natural Ecosystems ◽  
Future Directions ◽  
Leverage Points

The Anthropocene era is characterized by a pronounced negative impact of human and social activities on natural ecosystems. To the extent finance, economics and management underlie human social activities, we need to reassess these fields and their role in achieving global sustainability. This article briefly presents the scientific evidence on accelerating impacts of human activities on nature, which have resulted in breach of planetary boundaries and onset of global climate change. It offers some potential leverage points for change toward sustainability stewardship by highlighting the important role of finance and economics in addressing climate change. We examine the role of financial stakeholders in addressing planetary boundaries and offer a modified stakeholder theory, from which we propose future directions for finance in the Anthropocene.

Global Climate Change by Wetland Greenhouse Gas Fluxes

2022 ◽  
pp. 182-196
Author(s):  
Madhavi Konni ◽  
Vara Saritha ◽  
Pulavarthi Madhuri ◽  
K. Soma Sekhar ◽  
Manoj Kumar Karnena
Keyword(s):  
Climate Change ◽  
Environmental Management ◽  
Global Climate Change ◽  
Radiative Forcing ◽  
Global Climate ◽  
Radiative Balance ◽  
Gas Fluxes ◽  
Greenhouse Gas Fluxes ◽  
Ghg Fluxes

Wetlands (WLs) in the landscapes are important for the GHGs production, ingesting, and exchange with the atmosphere. In this chapter, the authors illustrated how the WLs influence climate change, even though it is typical for determining the climatic role of WLs in the broader perspective. The conclusions might be wary based on the radiative balance as the radiative forcing since the 1750s or climatic roles are continuously changing in the wetlands. Degradation of WLs leads to reducing their functioning, and GHG fluxes might change and alter the climatic roles of the WLs. The chapter demonstrated that WL disturbances might cause global warming for a longer duration even though the WLs are restored or managed by replacing them with the mitigation WLs. Thus, activities that cause disturbance in the WLs leading to carbon oxidation in the soils should be avoided. Regulating the climate is an ecosystem service in the WLs; during the planning of the WLs, protection, restoration, and creation, environmental management should be considered.

Sign in / Sign up

Export Citation Format

Share Document