scholarly journals Impacts of Climate Change: Can Fisheries and Aquaculture Sectors Survive the Wave?

2020 ◽  
Vol 4 (1) ◽  
pp. 78
Author(s):  
Talent Ndlovu ◽  
Sylvain Charlebois

Studies have shown the impact of climate change on the ocean ecosystem and the fishing and aquaculture sectors. As global warming intensifies, this will impact communities and communities as the populations of some fish species decline or increase. Research on the impacts of climate change to fisheries will facilitate the development of policies, helping communities to adapt while ensuring resilience and sustainability of the sector(s). This paper assesses the short term and long-term impacts of climate change to the ocean ecosystem, the consequences to economies and communities that rely on fishing for food security. It begins with a review of peer reviewed literature, followed by an analysis of the current policies and ends with some recommendations for governments in the sustainability and management of the ecosystem in the future. Important to note is the impact of human generated hazards and how a more holistic approach to minimizing risks to the ocean ecosystem could resolve threats of food insecurity in future.

2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 846-846
Author(s):  
Zeina Jamaluddine ◽  
Alexandra Irani ◽  
Wael Moussa ◽  
Rima Al Mokdad ◽  
Jad Chaaban ◽  
...  

Abstract Objectives While food and cash-assistance have been shown to improve food security in Syrian refugees living in Lebanon, no studies have investigated dosage variability of cash transfers on food security in this setting. We assessed the impact of short- (≤12 months) and long-term (>12 months) multi-purpose cash assistance (MPC) provided by the World Food Programme (WFP) and the United Nations High Commissioner for Refugees (UNHCR), over and above food assistance, and the impact of discontinuation from MPC, on food security of Syrian refugees. Methods We used a quasi-experimental fuzzy Regression Discontinuity Design (RDD). A multi-dimensional household survey collected data in three-waves, at 6-month intervals. Households were sampled from a listing of registered Syrian refugees with WFP/UNHCR Vulnerability scores +/−10 points around the eligibility cut-off for MPC. Of 17,740 households approached, 11,457 completed the survey (65%). We assessed household food insecurity using the Food Insecurity Experience Scale and Livelihood Coping Strategies Index and diet quality using Food Consumption Score (FCS), and Household Dietary Diversity Score (HDDS). We estimated the treatment effect of MPC using two-stage least squares regression controlling for demographic characteristics (age, sex, head of household education) and receipt of other cash assistance. Results Food insecurity experience in those receiving long-term MPC decreased (P < 0.05), with a concomitant 7.7 percentage point decrease in reliance on emergency coping strategies (P < 0.01). Long-term MPC recipients had a 6 point increase in FCS (P < 0.01) along with an increase in diet diversity (P < 0.05), with higher consumption of vegetables, fish, chicken, and eggs found in both short-term and long-term MPC recipients. Conclusions There was a significant improvement in food security and diet quality among households receiving long-term MPC but not among those receiving short-term MPC (except for a small increase in diet diversity) or who were discontinued. Positive impact was observed above and beyond food assistance. Stability of assistance is therefore key in achieving impact from MPC n food security in this population. Funding Sources European Civil Protection and Humanitarian Aid Operations, German Federal Foreign Office, Norwegian Ministry of Foreign Affairs, and UK Aid, through CAMEALEON.


2017 ◽  
Author(s):  
Sri Rum Giyarsih

Global warming is the increase in the average temperature of the Earth’s surface. According to the IPCC (Intergovernmental Panel on Climate Change) average temperature of the Earth’s surface was global warming is the increase in the average temperature of the 0.74 ± 0.18 0C (1.33 ± 0.32 F) over the last hundred years. The impact of rising temperatures is the climate change effect on agricultural production. If the community does not craft made adaptation to global warming will have an impact on food security. This research aims to know the society’s adaptation to food security as a result of global warming and to know the influence of global warming on food security. The research was carried out based on survey methods. The influence of global warming on food security is identified with a share of household food expenditure and the identification of rainfall. Sampling was done by random sampling. The Data used are the primary and secondary data. Primary Data obtained through structured interviews and depth interview using a questionnaire while the secondary data retrieved from publication data of the Central Bureau Statistics B(BPS), Department of Agriculture and Climatology Meteorology and Geophysics (BMKG). The expected results of the study is to know variations of food security due to global warming in Kulon Progo Regency. Comprehensive knowledge through community participation and related Government increased food security that is used as the basis for drafting the model society’s adaptation to the impacts of global warming.


2008 ◽  
Vol 12 (1) ◽  
pp. 239-255 ◽  
Author(s):  
E. McBean ◽  
H. Motiee

Abstract. In the threshold of the appearance of global warming from theory to reality, extensive research has focused on predicting the impact of potential climate change on water resources using results from Global Circulation Models (GCMs). This research carries this further by statistical analyses of long term meteorological and hydrological data. Seventy years of historical trends in precipitation, temperature, and streamflows in the Great Lakes of North America are developed using long term regression analyses and Mann-Kendall statistics. The results generated by the two statistical procedures are in agreement and demonstrate that many of these variables are experiencing statistically significant increases over a seven-decade period. The trend lines of streamflows in the three rivers of St. Clair, Niagara and St. Lawrence, and precipitation levels over four of the five Great Lakes, show statistically significant increases in flows and precipitation. Further, precipitation rates as predicted using fitted regression lines are compared with scenarios from GCMs and demonstrate similar forecast predictions for Lake Superior. Trend projections from historical data are higher than GCM predictions for Lakes Michigan/Huron. Significant variability in predictions, as developed from alternative GCMs, is noted. Given the general agreement as derived from very different procedures, predictions extrapolated from historical trends and from GCMs, there is evidence that hydrologic changes particularly for the precipitation in the Great Lakes Basin may be demonstrating influences arising from global warming and climate change.


2021 ◽  
Vol 10 (2) ◽  
pp. 1
Author(s):  
Hassan Bazazzadeh ◽  
Adam Nadolny ◽  
Seyedeh Sara Hashemi Safaei

The growth of urban population as the result of economic and industrial development has changed our place of living from a prosperous place to where the resources are carelessly consumed. On the other hand, long-term climate change, i.e. global warming, has had adverse impact on our resources. Certain resources are on the verge of depletion as the consequence of climate change and inconsiderate consumption of resources, unless serious measures are implemented immediately. The building sector, whose share in the municipal energy consumption is considerably high, is a key player that may successfully solve the problem. This paper aims to study the effects of climate change on the energy consumption of buildings and analyze its magnitude to increase the awareness of how construction can reduce the overall global energy consumption. A descriptive-analytical method has been applied to analyze valid models of energy consumption according to different scenarios and to interpret the conditions underlying current and future energy consumption of buildings. The results clearly show that the energy consumption in the building sector increasingly depends on the cooling demand. With that being said, we can expect the reduction of overall energy consumption of buildings in regions with high heating demands, whereas rising the energy consumption in buildings is expected in regions with high cooling demand. To conclude, the long-term climate change (e.g. global warming) underlies the increased energy consumption for the cooling demand whose share in total energy consumption of buildings much outweighs the heating demand. Therefore, to conserve our resources, urban energy planning and management should focus on working up a proper framework of guidelines on how to mitigate the cooling loads in the energy consumption patterns of buildings.


Author(s):  
N.V. Danilova

The signals of global warming are now being observed throughout the world. Data of hydrometeorological centres show a significant increase of temperature in many regions accompanied by intense frequency of dry periods. Some substantial and direct effects of climate change may be already noticed at present time. Over the next several decades they will be observed in agriculture. Increase of temperature and reduction of precipitation volumes will probably lead to decrease the level of yield. These changes can significantly affect the global food security. Ukraine is known for its fertile soil and agricultural products, so it has a huge agricultural potential, contributing, in fact, to the global food security. However, the observed weather changes, increase of average temperature and uneven distribution of rainfalls can result in sharp transformation of most of agricultural and climatic zones of Ukraine. According to international processes there is an urgent need for improvement of adaptation to climate change of some branches of national economy of Ukraine, including of agriculture. Expanding the range of types of millet used in agricultural production is an economically feasible process that should be implemented in view of significant climate changes resulting in global warming which is widely discussed in scientific literature. Rapid introduction in crop shifts of the millet that is able to withstand recurring periodic droughts, especially in the southern regions, is one of the ways allowing to overcome the consequences of such extreme conditions. Conditions of the southern regions are favourable for millet crop. Millet is one of the most drought-resistant and heat-resistant crops that can sustain heat injuries and seizures and this is very important for arid areas during dry years, when other crops significantly reduce the level of yield. We studied changes of agro-climatic resources and agro-climatic conditions for formation of millet productivity for various periods of time. The analysis of climate change trend was performed through comparing of data as per climatic scenarios A2 and A1B and of average long-term characteristics of climatic and agro-climatic indicators. The comparative description of millet productivity under the conditions of climate change as per average long-term data (1986-2005) and as per scenarios A2 and A1B of climate change (2011-2030 and 2031-2050) was also performed.


2021 ◽  
Vol 886 (1) ◽  
pp. 012090
Author(s):  
L R E Malau ◽  
A T Darhyati ◽  
Suharno

Abstract Food security is one of the main goals in achieving the Sustainable Development Goal’s (SDG’s). Food security, natural disasters, and climate change are thought to be interrelated. Climate change contributes to natural disasters such as floods, landslides, drought, land and forest fires, resulting in reduced food production, increased food prices, and disrupted access to food distribution. Ultimately, the impacts of climate change and natural disasters are one of the main causes of hunger and affect all dimensions of food security. This study aimed to analyze the impact of climate change, natural disasters, and other determinants on food security in Indonesia using the Tobit regression. The data used was from 33 provinces in 2010-2018. Climate change was proxied by rainfall, while natural disasters were proxied by the frequency of natural disasters and facility damage due to disasters. The results showed that food crop production, GRDP per capita, and the average years of schooling had a significant effect on increasing food security. Meanwhile, rainfall and deforestation had a significant effect on reducing food security. On the other hand, although not significant, the frequency and damage to facilities due to natural disasters harms food security. The results of this study confirmed the importance of preserving forest biodiversity as an effort to achieve food security as seen from the negative effects of rainfall and deforestation on food security. In this case, deforestation was one of the contributors to climate change which in turn had an impact on the intensity of natural disasters. To achieve food security for the achievement of the SDGs, policies to reduce deforestation or forest conversion need attention as one of the efforts to mitigate the impacts of climate change and natural disasters.


2022 ◽  
pp. 115-133
Author(s):  
Arti Yadav ◽  
Badar Alam Iqbal

This chapter will aim to explicate the challenges posed by global warming or the climate change conditions on food security especially from the point of view of India. The negative impact of global warming has been seen, especially in developing economies, on the agricultural yields leading towards food insecurity. The four pillars of food security (i.e., availability, accessibility, utilization, and stability) are having an impact on climate change. The present study will begin by highlighting the concept of global warming. It will further provide an overview of the Indian food security system followed by the impact of global warming on the food security level in India. The study will also highlight the global warming and food security scenario in the present situation of the ongoing COVID-19 pandemic in India.


2020 ◽  
pp. 19-42
Author(s):  
Janis Sarra

Chapter 2 offers an analysis of the state of science and its direct implications for business. It explores how the physical impacts of climate change are already evident, discussing impacts on human health and well-being; on food security and food production systems; on the ecosystems of oceans, lands, and wetlands; and impacts on freshwater resources and on the cryosphere. The chapter examines the concept of climate tipping points and the implications for businesses. It also explores why mitigation is crucially important to reversing the negative impacts of climate change and discusses why climate adaptation is important and necessary, but not, in itself, sufficient to change the current trajectory of global warming. The chapter focuses particularly on what companies need to know about the current science on climate change.


2021 ◽  
Author(s):  
Roman Výleta ◽  
Milica Aleksić ◽  
Patrik Sleziak ◽  
Kamila Hlavcova

<p>The future development of the runoff conditions, as a consequence of climate change, is of great interest for water managers. Information about the potential impacts of climate change on the hydrological regime is needed for long-term planning of water resources and flood protection.</p><p>The aim of this study is to evaluate the possible impacts of climate change on the runoff regime in five selected catchments located in the territory of Slovakia. Changes in climatic characteristics (i.e., precipitation and air temperature) for future time horizons were prepared by a regional climate model KNMI using the A1B emission scenario. The selected climatic scenario predicts a general increase in air temperature and precipitation (higher in winter than in summer). For simulations of runoff under changed conditions, a lumped rainfall-runoff model (the TUW model) was used. This model belongs to a group of conceptual models and follows a structure of a widely used Swedish HBV model. The TUW model was calibrated for the period of 2011 – 2019. We assumed that this period would be similar (to recent/warmer climate) in terms of the average daily air temperatures and daily precipitation totals. The future changes in runoff due to climate change were evaluated by comparing the simulated long-term mean monthly runoff for the current state (1981-2010) and modelled scenarios in three time periods (2011-2040, 2041-2070, and 2071-2100). The results indicate that changes in the long-term runoff seasonality and extremality of hydrological cycle could be expected in the future. The runoff should increase in winter months compared to the reference period. This increase is probably related to a rise in temperature and anticipated snowmelt. Conversely, during the summer periods, a decrease in the long-term runoff could be assumed. According to modelling, these changes will be more pronounced in the later time horizons.</p><p>It should be noted that the results of the simulation are dependent on the availability of the inputs, the hydrological/climate model used, the schematization of the simulated processes, etc. Therefore, they need to be interpreted with a sufficient degree of caution</p>


2016 ◽  
Vol 21 (5) ◽  
pp. 581-602 ◽  
Author(s):  
Juliano Assunção ◽  
Flávia Chein

AbstractThis paper evaluates the impact of climate change on agricultural productivity. Cross-sectional variation in climate among Brazilian municipalities is used to estimate an equation in which geographical attributes determine agricultural productivity. The Intergovernmental Panel on Climate Change (IPCC) predictions based on atmosphere–ocean, coupled with general circulation models (for 2030–2049), are used to simulate the impacts of climate change. Our estimates suggest that global warming under the current technological standards is expected to decrease the agricultural output per hectare in Brazil by 18 per cent, with the effects on municipalities ranging from−40 to+15 per cent.


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