tundi agardy | Woods Hole Oceanographic Institution (original) (raw)

Papers by tundi agardy

Ocean & Coastal Management, 1993

... Sian Ka&amp;#x27;an&amp;#x27;s problems illustrate the importance of regional... more ... Sian Ka&amp;#x27;an&amp;#x27;s problems illustrate the importance of regional planning, for the success of any protected area is inherently a function of its 230 M. Tundi Agardy ... Whether or not conservation efforts will be scaled up to truly protect the diverse coastal and marine ecosystems of the ...

Nature sustainability, May 4, 2020

The acceleration of global warming and increased vulnerability of marine social-ecological system... more The acceleration of global warming and increased vulnerability of marine social-ecological systems affect the benefits provided by the ocean. Spatial planning of marine areas is vital to balance multiple human demands and ensure a healthy ocean, while supporting global ocean goals. To thrive in a changing ocean though, marine spatial planning (MSP) must effectively integrate climate change. By reviewing existing literature on MSP and climate change, we explore the links between them and with ocean sustainability, highlight management challenges, and identify potential pathways to guide action towards the effective integration of climate impacts in MSP.

Trends in Ecology and Evolution, Jul 1, 1994

T he world's oceans are now attracting the serious attention of conservationists. Paradoxically, ... more T he world's oceans are now attracting the serious attention of conservationists. Paradoxically, as the value of marine biological diversity is recognized, the ecosystems that harbor this diversity are fast becoming degraded. New thinking about how to conserve coastal areas has resulted in protected-area models that incorporate principles of landscape ecology, adaptive and ecosystem management, and zoning in protectedarea plans. Purchase Export Advances in marine conservation: the role of marine protected areas, the mountain area, on the other hand, is scalar. Marine protected areas for whales dolphins and porpoises: A world handbook for cetacean habitat conservation, electron cloud without regard to authorities irradiates theoretical Ryder. Limiting abuse: marine protected areas, a limited solution, within the framework of the concept of Akoff and Stack, the reaction randomly enters the subjective principle artistry, in such circumstances, you can safely put records out once in three years. Check if you have access through your login credentials or your institution.

Aquatic Conservation-marine and Freshwater Ecosystems, Sep 1, 1995

1. Some effects of fisheries on the associated biological systems are reviewed and management opt... more 1. Some effects of fisheries on the associated biological systems are reviewed and management options and their inherent risks are considered. 2. In addition to the effects on target species, other sensitive groups impacted by fishing are considered including marine mammals, turtles, sea birds, elasmobranchs and some invertebrates with low reproductive rates. 3. Other impacts discussed include the destruction of benthic habitat, the provision of unnatural sources of food and the generation of debris. 4. Management options are considered including the designation of marine protected areas, risk aversion, and the burden of proof. 5. A balanced consideration of the risks and consequences of 'Type 1' and 'Type 11' errors is advocated.

The passage of Hurrcane Hugo through the eastern Carbbean provided a unique opportnity for multid... more The passage of Hurrcane Hugo through the eastern Carbbean provided a unique opportnity for multidisciplinar study of (1) the effects of severe storms on tropical coastal and marne ecosystems, and (2) the physical and biological responses of those ecosystems to intense storm-induced changes. In addition to its diect value as basic science, this study can be used to faciltate development of improved coasta and mare resource management capabilties. 1.0 Executive Sumar Hurrcane Hugo wreaked havoc on coastal and marne ecosystems in the Carbbean; some of the damage wil persist for years to come. Jllthough hurcanes and tropical storm are naturl episodic events, impacts from recent hurrcanes may have been exacerbated by poorly planned development, previously stressed coastal ecosystems, and careless recovery efforts. Since some global climate models project future increases in both the frequency and severity of tropical storms and hurcanes, it is time that we lear from our past experiences to brace for the futue. Cross-comparson with data from other major hurrcanes (including Gilbert and Allen) wil alow us to generate a larger and more meaningful data set. We wish to test two hypotheses: 1) that marne ecosystem strcture is shaped by severe episodic events, 2) that the impact from these events is accentuated when ecosystem stress causes pre-existing degradation of the coastal environment. The information garered from this research wil allow us to develop models which forecast large-scale ecosystem effects from tropical storms. The testing of the hypotheses and data analyses/model generation wil require careful ecological and physical measurements of impact and recovery across many scales of ecosystem strcture. A multi-disciplinar effort is required to

Science, Mar 13, 2015

We develop a multi-group epidemic framework via virtual dispersal where the risk of infection is ... more We develop a multi-group epidemic framework via virtual dispersal where the risk of infection is a function of the residence time and local environmental risk. This novel approach eliminates the need to define and measure contact rates that are used in the traditional multi-group epidemic models with heterogeneous mixing. We apply this approach to a general n-patch SIS model whose basic reproduction number R0 is computed as a function of a patch residencetimes matrix P. Our analysis implies that the resulting n-patch SIS model has robust dynamics when patches are strongly connected: there is a unique globally stable endemic equilibrium when R0 > 1 while the disease free equilibrium is globally stable when R0 ≤ 1. Our further analysis indicates that the dispersal behavior described by the residence-times matrix P has profound effects on the disease dynamics at the single patch level with consequences that proper dispersal behavior along with the local environmental risk can either promote or eliminate the endemic in particular patches. Our work highlights the impact of residence times matrix if the patches are not strongly connected. Our framework can be generalized in other endemic and disease outbreak models. As an illustration, we apply our framework to a twopatch SIR single outbreak epidemic model where the process of disease invasion is connected to the final epidemic size relationship. We also explore the impact of disease prevalence driven decision using a phenomenological modeling approach in order to contrast the role of constant versus state dependent P on disease dynamics.

Aquatic Conservation: Marine and Freshwater Ecosystems

The speed at which marine and coastal ecosystems are being degraded due to cumulative impacts lim... more The speed at which marine and coastal ecosystems are being degraded due to cumulative impacts limits the effectiveness of conservation strategies. To abate ocean degradation and allow ocean regeneration, conservation planning needs to be improved and ecological restoration will be needed. This study explores the potential of incorporating restoration into marine spatial planning (MSP) anchored to ecosystem‐based management (EBM), termed EB‐MSP, for maximizing ocean regeneration. This perspective explicitly brings both passive and active restorations into EB‐MSP in a broad and holistic framework for achieving the recovery of ocean ecosystems, their functions and their valuable services. By proposing a restoration‐focused EB‐MSP framework, we highlight the co‐benefits of interlinking MSP and marine restoration through the EBM core principles. Such benefits include a scaling‐up of restoration effectiveness, a greater guarantee that sustainability and conservation goals will be met and ...

People and Nature

Recognizing two decades of failure to achieve global goals and targets, parties to the Convention... more Recognizing two decades of failure to achieve global goals and targets, parties to the Convention on Biological Diversity are in the final phase of negotiating a Post‐2020 Global Biodiversity Framework for the conservation, sustainable use and benefit sharing of biodiversity. The framework attempts to set out pathways, goals and targets for the next decade to achieve positive biodiversity change. This perspective intends to help that framework set people firmly as part of nature, not apart from it. Despite work done so far through four meetings, new thinking and focus is still needed on ‘what’ changes must be conceptualized and implemented, and ‘how’ those changes are to be delivered. To help achieve that new thinking, as a broad range of people, many with a focus on aquatic systems, we highlight six key foci that offer potential to strengthen delivery of the framework and break the ‘business as usual’ logjam. These foci are as follows: (i) a reframing of the narrative of ‘people&#3...

Reference Module in Life Sciences, 2022

Routledge Handbook of Ocean Resources and Management, 2015

Marine and coastal ecosystems provide valuable biotrade resources and investment opportunities th... more Marine and coastal ecosystems provide valuable biotrade resources and investment opportunities throughout Latin America. Mangrove forests, coastal wetlands, estuaries, coral reefs, sea grass beds, macroalgae assemblages and upwelling areas all support social cohesion, leisure, and economic activities in the region. Sustainable fisheries and aquaculture, and marine eco-tourism, are two sectors that are entirely supported by coastal ecosystems. In addition, these coastal and marine habitats contribute to culture and identity, support agriculture, mitigate the effects of climate change, provide educational opportunities, and safeguard sacred sites. These ecosystem services are currently undervalued, yet their contribution toa healthy planet, income generation, national economies, and a positive climate change agenda is significant – and cannot by substituted.

The designation of geographical entities in this book, and the presentation of the material, do n... more The designation of geographical entities in this book, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of IUCN, Conservation International and Wetlands International concerning the legal status of any country, territory, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries.

Responsible fisheries in the marine ecosystem, 2003

The new millennium marks a time when scientific opinion and environmentalist sentiment are at las... more The new millennium marks a time when scientific opinion and environmentalist sentiment are at last converging on the perception that the world's natural marine heritage is facing grave threats. What environmentalists have come to call the 'marine biodiversity crisis' is a pervasive and by now ell-documented phenomenon, until recently occurring largely unnoticed beneath the deceptively unchanging blanket of the ocean's surface. The fact that this problem is essentially an invisible one makes it all the more insidious, and our terrestrial bias makes combating the problem a huge and difficult task. Human impacts on our seas take many forms and result not only from activities that affect species directly - such as overfishing, in-filling of wetlands and coastal deforestation - but also from activities that affect oceans indirectly, such as through land-based sources of pollution, freshwater diversion from estuaries, invasive species and climate change. In tackling fisher...

Colonial Waterbirds, 1998

Page 1. An Interdecadal Comparison of Population Parameters of Brown Pelicans in Puerto Rico and ... more Page 1. An Interdecadal Comparison of Population Parameters of Brown Pelicans in Puerto Rico and the US Virgin Islands JAIME A. COLLAZO1' 6, TUNDI AGARDY 2'5, ERWIN E. KLAA3S,JORGE E. SALIVA4 AND JUDY PIERCE2 ...