Impacts of fisheries and climate on albatross demography

渔业和气候对信天翁种群的影响

基本信息

  • 批准号:
    NE/J021083/1
  • 负责人:
  • 金额:
    $ 55.8万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2012
  • 资助国家:
    英国
  • 起止时间:
    2012 至 无数据
  • 项目状态:
    已结题

项目摘要

Climate change and fisheries are major threats to marine biodiversity. Climate influences conditions in the ocean, including levels of primary productivity and acidification, and may eventually affect the routes and strength of ocean currents. This has impacts on the distribution and abundance of organisms at the bottom of food chains, with consequent effects on their predators. Recent research has revealed changes in the extent and duration of winter sea-ice formation in the Antarctic, resulting in a dramatic reduction in Antarctic krill. As this is a key prey for many whales, seals and seabirds, the decline has had adverse effects on their breeding frequency, success and survival.Marine fisheries compete with natural predators and unintentionally catch many non-target (bycatch) species. High bycatch levels have been linked to worldwide declines of seabirds, marine mammals, turtles and sharks. However, fisheries can also bring benefits, as scavengers exploit the fish offal and bycatch discarded by vessels. It is therefore difficult to judge their full impacts without detailed knowledge of the type and extent of interaction. We also need to understand the influence of global climate change, which is predicted to greatly increase the variability and unpredictability of environmental conditions and hence availability of marine resources.Seabirds are major consumers, and as top predators, their populations reflect changes occurring further down food chains, which are in turn influenced by those in the wider environment. Many are threatened, particularly albatrosses which are vulnerable to any unnatural mortality because they fledge one chick only every 1 or 2 years. Given their vast foraging ranges, they overlap with and are killed in multiple fisheries. Recognition of this international problem led to the establishment of a dedicated albatross and petrel conservation agreement (ACAP), ratified by the UK. Seven of the eight albatross populations breeding in the UK Overseas Territories in the South Atlantic are declining (a higher proportion than in any other sector of the Southern Ocean). High bycatch rates are a major contributing factor. Only for black-browed albatross at South Georgia is there evidence of impacts of environmental change; however, there have been no comparable studies of the other species.The wandering, grey-headed and black-browed albatrosses at South Georgia are of global importance, and include two of the five priority populations for conservation identified recently by ACAP. Observed changes in productivity and other population parameters suggest that environmental factors and fisheries affect each species in differing ways, reflecting differences in distribution and life-styles. Studies of seabirds elsewhere have found links between environmental changes and annual variation in breeding success and, in a minority of cases, adult survival, but these depended on the species. Recent modeling carried out on behalf of the Atlantic tuna commission concluded that fisheries are having detrimental impacts on two species from South Georgia, but did not consider grey-headed albatross, nor the implications of changing environmental conditions. There are also two major unresolved issues for these populations, (i) a dramatic drop in survival of chicks from fledging to first return, and (ii) the demographic implications of differing at-sea distributions of males and females, including a sex ratio imbalance if it affects survival.A comprehensive analysis of the contributions of climate and fisheries impacts to differences in survival, breeding frequency and success of these species is not only a high conservation priority, but an outstanding opportunity to improve our understanding of the implications of climatic variation in a region changing at an unprecedented rate. The analysis will provide robust scientific grounds to improve environmental management, particularly at fisheries regulatory bodies
气候变化和渔业是对海洋生物多样性的主要威胁。气候影响海洋状况,包括初级生产力水平和酸化程度,并可能最终影响洋流的路线和强度。这对食物链底部的生物体的分布和丰度产生了影响,从而对它们的捕食者产生了影响。最近的研究表明,南极冬季海冰形成的范围和持续时间发生了变化,导致南极磷虾数量急剧减少。由于这是许多鲸鱼、海豹和海鸟的主要猎物,这种下降对它们的繁殖频率、成功和生存产生了不利影响。海洋渔业与自然捕食者竞争,无意中捕获了许多非目标(副渔获物)物种。高副渔获物水平与全球海鸟、海洋哺乳动物、海龟和鲨鱼的减少有关。然而,渔业也可以带来好处,因为清道夫利用船只丢弃的鱼类内脏和副渔获物。因此,在不详细了解相互作用的类型和程度的情况下,很难判断其全部影响。我们还需要了解全球气候变化的影响,预计这将大大增加环境条件的变异性和不可预测性,从而增加海洋资源的可获得性。海鸟是主要的消费者,作为顶级捕食者,它们的种群反映了食物链下游发生的变化,而这些变化反过来又受到更广泛环境中的变化的影响。许多都受到了威胁,特别是信天翁,它们很容易受到任何非自然死亡的影响,因为它们每1到2年才产下一只雏鸟。鉴于它们广阔的觅食范围,它们与多个渔业重叠,并在多个渔业中被捕杀。认识到这一国际问题导致了专门的信天翁和海燕保护协议(ACAP)的建立,并得到了英国的批准。在南大西洋英国海外领土繁殖的8个信天翁种群中,有7个种群正在下降(这一比例高于南大洋任何其他地区)。高副渔获率是一个主要的促成因素。只有南乔治亚州的黑眉信天翁有证据表明环境变化的影响;然而,还没有对其他物种进行类似的研究。南乔治亚州漂泊的、灰头和黑眉信天翁具有全球重要性,包括ACAP最近确定的五个优先保护种群中的两个。观察到的生产力和其他种群参数的变化表明,环境因素和渔业以不同的方式影响每个物种,反映了分布和生活方式的差异。其他地方对海鸟的研究发现,环境变化与繁殖成功率的年度变化之间存在联系,在少数情况下,成年海鸟的存活也与环境变化有关,但这取决于物种。最近代表大西洋金枪鱼委员会进行的建模得出结论,渔业正在对南乔治亚州的两个物种产生有害影响,但没有考虑灰头信天翁,也没有考虑环境条件变化的影响。对于这些种群来说,还有两个主要的悬而未决的问题,(I)幼鸟从羽化到首次返回的存活率急剧下降,(Ii)雄性和雌性在海上的不同分布对人口统计学的影响,包括性别比例失衡,如果它影响到生存的话。全面分析气候和渔业影响对这些物种的生存、繁殖频率和成功的影响的贡献,不仅是一个高度优先的保护优先事项,而且是一个极好的机会,可以增进我们对气候变化在一个以前所未有的速度变化的区域的影响的理解。这一分析将为改善环境管理,特别是渔业监管机构的环境管理提供强有力的科学依据。

项目成果

期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Proximate drivers of spatial segregation in non-breeding albatrosses.
  • DOI:
    10.1038/srep29932
  • 发表时间:
    2016-07-21
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Clay TA;Manica A;Ryan PG;Silk JR;Croxall JP;Ireland L;Phillips RA
  • 通讯作者:
    Phillips RA
Proximate drivers of spatial segregation in non-breeding albatrosses
非繁殖信天翁空间隔离的直接驱动因素
  • DOI:
    10.17863/cam.9372
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Clay T
  • 通讯作者:
    Clay T
Escaping the oligotrophic gyre? The year-round movements, foraging behaviour and habitat preferences of Murphy's petrels
  • DOI:
    10.3354/meps12244
  • 发表时间:
    2017-09-14
  • 期刊:
  • 影响因子:
    2.5
  • 作者:
    Clay, Thomas A.;Phillips, Richard A.;Brooke, M. de L.
  • 通讯作者:
    Brooke, M. de L.
A comprehensive large-scale assessment of fisheries bycatch risk to threatened seabird populations
  • DOI:
    10.1111/1365-2664.13407
  • 发表时间:
    2019-08-01
  • 期刊:
  • 影响因子:
    5.7
  • 作者:
    Clay, Thomas A.;Small, Cleo;Phillips, Richard A.
  • 通讯作者:
    Phillips, Richard A.
Divergent foraging strategies during incubation of an unusually wide-ranging seabird, the Murphy's petrel
  • DOI:
    10.1007/s00227-018-3451-7
  • 发表时间:
    2019-01-01
  • 期刊:
  • 影响因子:
    2.4
  • 作者:
    Clay, Thomas A.;Oppel, Steffen;Brooke, M. de L.
  • 通讯作者:
    Brooke, M. de L.
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Richard Phillips其他文献

Sodium sulfite–formaldehyde pretreatment of mixed hardwoods and its effect on enzymatic hydrolysis
  • DOI:
  • 发表时间:
    2013
  • 期刊:
  • 影响因子:
  • 作者:
    Yongcan Jin;Linfeng Yang;Hasan Jameel;Hou-min Chang;Richard Phillips;
  • 通讯作者:
Syphilis and HIV co-infection in Ghana
  • DOI:
    10.1016/j.jinf.2010.09.015
  • 发表时间:
    2010-12-01
  • 期刊:
  • 影响因子:
  • 作者:
    Yaasir Mamoojee;Grace Tan;Stephen Sarfo;Richard Phillips;David Chadwick
  • 通讯作者:
    David Chadwick
Sa1163 – The Risk of Prevalent and Incident Neoplasia in Patients with a Diagnosis of Barrett's Esophagus Indefinite for Dysplasia
  • DOI:
    10.1016/s0016-5085(19)37545-6
  • 发表时间:
    2019-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Wladyslaw Januszewicz;Richard Phillips;Maria O'Donovan;Rebecca C. Fitzgerald;Massimiliano Di Pietro
  • 通讯作者:
    Massimiliano Di Pietro
Non-typhoidal Salmonella transmission reservoirs in sub-Saharan Africa: a genomic assessment from a One Health perspective
  • DOI:
    10.1186/s13756-025-01561-2
  • 发表时间:
    2025-05-13
  • 期刊:
  • 影响因子:
    4.400
  • 作者:
    Thorsten Thye;Ralf Krumkamp;John P. A. Lusingu;Linda Aurelia Ofori;Daniel T. R. Minja;Antje Flieger;Samwel Gesase;Richard Phillips;Sandra Simon;Kwasi Obiri-Danso;Charity Wiafe Akenten;Joyce Mbwana;Ellis Paintsil;Oumou Maiga Ascofare;Anna Jaeger;Maike Lamshöft;Daniel Eibach;Wibke Loag;Stefan Berg;Jürgen May;Denise Dekker
  • 通讯作者:
    Denise Dekker
Diagnoses, Syndromes, and Diseases: A Knowledge Representation Problem
诊断、综合症和疾病:知识表示问题

Richard Phillips的其他文献

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{{ truncateString('Richard Phillips', 18)}}的其他基金

Resolving the life-history trade-off paradox: Measuring resource acquisition to reveal life-history trade-offs over different temporal scales
解决生活史权衡悖论:衡量资源获取以揭示不同时间尺度的生活史权衡
  • 批准号:
    NE/X000796/1
  • 财政年份:
    2023
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Research Grant
INCLUSIVE RELATIONSHIPS AND SEX EDUCATION: SUPPORTING CHILDREN FROM FAITH COMMUNITIES
包容性关系和性教育:支持信仰社区的儿童
  • 批准号:
    AH/V008870/1
  • 财政年份:
    2022
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Research Grant
Collaborative Research: MRA: Elucidating Plant and Mycorrhizal Fungal Relationships and Consequences across Space and Time
合作研究:MRA:阐明植物和菌根真菌的关系以及跨空间和时间的后果
  • 批准号:
    2106096
  • 财政年份:
    2021
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Standard Grant
EAGER: Collaborative research: Shifting control from negative plant-microbe feedback to nutrient limitation: predictions from dominant tree traits and ecosystem nutrient economies
EAGER:合作研究:将控制从植物微生物负反馈转向养分限制:对主要树木性状和生态系统养分经济的预测
  • 批准号:
    1834255
  • 财政年份:
    2018
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Where Plant Litter Ends and Soil Carbon Begins: The Role of Microbial Physiology in Stabilizing Soil Organic Matter
论文研究:植物凋落物结束和土壤碳开始的地方:微生物生理学在稳定土壤有机质中的作用
  • 批准号:
    1701652
  • 财政年份:
    2017
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Standard Grant
Storying Sexual Relationships: the Stories and Practices of Young British Pakistani Muslims
讲述性关系:年轻的英国巴基斯坦穆斯林的故事和实践
  • 批准号:
    AH/N003926/1
  • 财政年份:
    2016
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Research Grant
COLLABORATIVE RESEARCH: Testing a conceptually-driven framework to predict variability in the ecosystem consequences of plant invasion across heterogeneous landscapes
合作研究:测试概念驱动的框架来预测异质景观中植物入侵的生态系统后果的变异性
  • 批准号:
    1353296
  • 财政年份:
    2014
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Standard Grant
A belowground framework for predicting how plant-microbe interactions couple carbon and nutrient economies of forests
用于预测植物-微生物相互作用如何耦合森林碳和养分经济的地下框架
  • 批准号:
    1153401
  • 财政年份:
    2012
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Standard Grant
Using stable isotopes to assess climate-change impacts on migrations of prions (Aves:Procellariiformes)
使用稳定同位素评估气候变化对朊病毒(鸟纲:Procellariiformes)迁移的影响
  • 批准号:
    NE/I023503/1
  • 财政年份:
    2011
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Research Grant
Coherent matter in semiconductor microcavities: non-equilibrium polariton condensates
半导体微腔中的相干物质:非平衡极化子凝聚体
  • 批准号:
    EP/F040075/1
  • 财政年份:
    2008
  • 资助金额:
    $ 55.8万
  • 项目类别:
    Research Grant

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