Marine mammals of Mexico: Richness patterns, protected areas, and conservation trends

Muzquiz-Villalobos, Mariana; Pompa-Mansilla, Sandra

doi:10.1016/j.ecss.2018.05.002

Cited by 5 publications

(1 citation statement)

References 27 publications

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“…Marine protected areas (MPAs) have been proven to be an effective in situ tool to protect endangered species and maintain ecosystem services (Wang and Li, 2021). The Mexican government built the world's largest whale MPA network, with a total area of 3,000,000 km2, encompassing all the waters in the Pacific Ocean, the Atlantic Ocean and the Caribbean Sea within the country's exclusive economic zone, with the aim of protecting 39 whale species living in these waters legally (Villalobos and Mansilla, 2018). However, climate-induced marine environment changes in MPAs may result in inadaptability of the protected species and reduce the effectiveness of MPAs (Bruno et al, 2018).…”

Section: Implications For Management and Conservationmentioning

confidence: 99%

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Sun

Zhao

Shao³

et al. 2022

Front. Mar. Sci.

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Climate change is exerting unprecedented effects on the habitats of marine mammals. Common minke whales (Balaenoptera acutorostrata) have suffered immense harm from commercial whaling, and the recovery of this species is likely threatened by climate change. To better manage and conserve this species, it is important to predict its current habitat distribution and the potential change under future climate change scenarios. Such predictions are typically generated by species distribution models (SDMs), which construct a correlation between species occurrence data and its habitat environmental variables. SDMs are commonly constructed at the species level, assuming a homogenous response of the species to climatic variables across their entire geographic range. Spatially segregated populations from the same species inhabit distinct environments and gradually adapt to the local conditions, resulting in niche differentiation among populations. Species-level SDMs that ignore the effects of local adaptation mask differences in population responses to climate change and might present an unrealistic picture of potential species distributions. Based on morphological and genetic evidence, the common minke whale was divided into three populations: the North Atlantic population (NAP), Southern Hemisphere population (SHP) and North Pacific population (NPP); these populations inhabit isolated geographic areas with distinct environmental conditions. We quantified the realized niches of these populations and found evidence of significant ecological niche differentiation. We then constructed SDMs at the species and population levels and compared the predictions from these two types of models under different climate change scenarios. Both types of models projected similar change trends in species range, with a contraction of future suitable habitats for the NAP and SHP and an expansion for the NPP. However, the magnitudes of this change differed; the population-level model projected more optimistic results for the SHP and NAP, indicating less habitat loss. This study highlighted the importance of considering local adaptation when estimating the impact of climate change on species habitat suitability. These spatiotemporal predictions provide essential knowledge for designing climate-adaptive conservation and management strategies, such as the delimitation of mobile marine protected areas (MPAs).

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Section: Implications For Management and Conservationmentioning

confidence: 99%

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Sun

Zhao

Shao³

et al. 2022

Front. Mar. Sci.

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Management effectiveness in marine protected areas for conservation of Antillean manatees on the eastern coast of the Yucatan Peninsula, Mexico

Herrejón

Morales‐Vela

Ortega‐Argueta

et al. 2020

Aquatic Conservation

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This study evaluated management effectiveness in three marine protected areas (MPAs) for conservation of the Antillean manatee (Trichechus manatus manatus Linnaeus 1758), located on the eastern coast of the Yucatan Peninsula, Mexico. The MPAs evaluated were the Yum‐Balam Flora and Fauna Reserve, Sian Ka'an Biosphere Reserve, and Chetumal Bay Manatee Sanctuary. The extent of the traditional, popular, and scientific manatee knowledge and research were assessed, as well as the prescribed conservation management actions, relevant stakeholders, and the degree of inclusion of manatee species in the management schemes of these MPAs. Four general criteria, 12 specific criteria, and 62 indicators were developed. In total, 199 interviews were completed in seven communities of the MPAs in order to determine the perception of the social, economic, and conservation impacts of the manatee and its management. Although the evaluated MPAs were not wholly comparable among themselves due to their different management categories and schemes, administration, socio‐economic context, and the dynamics and conflicts encountered, a comparison was conducted using standardized criteria and a categorical scale in order to evaluate the level of effectiveness of each MPA. The MPA with the highest management effectiveness in manatee conservation was found to be the Chetumal Bay, with an effectiveness classed as good (71%), followed by Sian Ka'an with intermediate effectiveness (53%) and Yum‐Balam, also with intermediate effectiveness (43%). The relationships between the key stakeholders of the three MPAs and economic activities such as fishing and tourism are the factors that most influence the effectiveness of management for manatee conservation.

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A stranding of pantropical spotted dolphin (Stenella attenuata) near Tulum, Quintana Roo, Mexico confirms the presence of the species in the Mexican Caribbean

Padilla-Saldívar,

Sánchez-Okrucky,

Romero-Tenorio

et al. 2024

Mammalia

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Strandings and opportunistic sightings represent an invaluable source of information on cetacean’s biodiversity in the Mexican Caribbean. Here, we document the stranding and rescue of two pantropical spotted dolphins Stenella attenuata (mother and male calf) near Tulum (Quintana Roo, Mexico), which died without a clear diagnosis of cause of death. This case confirms the occurrence of S. attenuata, increasing the number of local aquatic mammals to 20. As most of the other small cetaceans in this region, the conservation status of the species remains undefined, and more research is needed to better understand ecological and biological aspects of its population.

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Marine mammals of Mexico: Richness patterns, protected areas, and conservation trends

Cited by 5 publications

References 27 publications

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Estimating the impacts of climate change on the habitat suitability of common minke whales integrating local adaptation

Management effectiveness in marine protected areas for conservation of Antillean manatees on the eastern coast of the Yucatan Peninsula, Mexico

A stranding of pantropical spotted dolphin (Stenella attenuata) near Tulum, Quintana Roo, Mexico confirms the presence of the species in the Mexican Caribbean

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