Mangrove Biogeography: The Role of Quaternary Environmental and Sea-Level Change

Woodroffe, Colin D.; Grindrod, John

doi:10.2307/2845685

Cited by 179 publications

(127 citation statements)

References 67 publications

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“…Relict mangrove sediments and fossil mangroves, particularly their pollen, have been used extensively in the interpretation of palaeogeography and stratigraphy (Churchill, 1973;Muller and Caratini, 1977;Bessedik, 1981;Mildenhall and Brown, 1987;Grindrod, 1988;Crowley et al, 1990;Ellison, 1991;Woodroffe and Grindrod, 1991). Mangrove pollen are particularly good markers because their presence in the sediments indicates a warm climate (with a mean monthly temperature above 16°C) and a nearby shoreline at the time the pollen was deposited.…”

Section: Can Mangroves Be Used As Biological Indicators Of Coastal Chmentioning

confidence: 99%

Mangroves as indicators of coastal change

Blasco

Saenger

Janodet

1996

CATENA

257

140

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Section: Can Mangroves Be Used As Biological Indicators Of Coastal Chmentioning

confidence: 99%

Mangroves as indicators of coastal change

Blasco

Saenger

Janodet

1996

CATENA

257

140

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“…In tidal saline wetlands, changing climatic conditions, in the form of a decrease in the frequency and intensity of severe freeze events, are expected to lead to the poleward migration of woody plants (i.e., mangrove trees and shrubs) at the expense of graminoid and succulent plants (i.e., salt marsh plants; Osland et al 2013, Saintilan et al 2014, Alongi 2015, Cavanaugh et al 2015. In coastal wetlands located near the transition between subtropical and warm temperate climatic zones, severe freeze events greatly affect the abundance and productivity of mangrove trees relative to salt marsh graminoid and succulent plants (West 1977, Woodroffe and Grindrod 1991, McKee et al 2012. Low winter air temperature extremes can damage or kill mangrove trees ( Fig.…”

Section: Introductionmentioning

confidence: 99%

Life stage influences the resistance and resilience of black mangrove forests to winter climate extremes

et al. 2015

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Abstract. In subtropical coastal wetlands on multiple continents, climate change-induced reductions in the frequency and intensity of freezing temperatures are expected to lead to the expansion of woody plants (i.e., mangrove forests) at the expense of tidal grasslands (i.e., salt marshes). Since some ecosystem goods and services would be affected by mangrove range expansion, there is a need to better understand mangrove sensitivity to freezing temperatures as well as the implications of changing winter climate extremes for mangrove-salt marsh interactions. In this study, we investigated the following questions: (1) how does plant life stage (i.e., ontogeny) influence the resistance and resilience of black mangrove (Avicennia germinans) forests to freezing temperatures; and (2) how might differential life stage responses to freeze events affect the rate of mangrove expansion and salt marsh displacement due to climate change? To address these questions, we quantified freeze damage and recovery for different life stages (seedling, short tree, and tall tree) following extreme winter air temperature events that occurred near the northern range limit of A. germinans in North America. We found that life stage affects black mangrove forest resistance and resilience to winter climate extremes in a nonlinear fashion. Resistance to winter climate extremes was high for tall A. germinans trees and seedlings, but lowest for short trees. Resilience was highest for tall A. germinans trees. These results suggest the presence of positive feedbacks and indicate that climate-change induced decreases in the frequency and intensity of extreme minimum air temperatures could lead to a nonlinear increase in mangrove forest resistance and resilience. This feedback could accelerate future mangrove expansion and salt marsh loss at rates beyond what would be predicted from climate change alone. In general terms, our study highlights the importance of accounting for differential life stage responses and positive feedbacks when evaluating the ecological effects of changes in the frequency and magnitude of climate extremes.

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“…Events that have taken place during the Pleistocene that affected global climate and sea levels would have had a significant influence on the present distribution of mangrove plants in different parts of the world. During prolonged dry periods in the Pleistocene, mangrove species may have got more confined to the hot and wet climate at the equator than they are today (Woodroffe and Grindrod, 1991). Moreover, declining sea levels due to glacial events in the Pleistocene that resulted in lowering sea levels would have created land connections between the present day land masses in South East Asia, which in turn made available large extents of potential mangrove habitats (inter-tidal areas) that could successfully be colonized and specialized by plants (Clark and Guppy, 1988;Woodroffe et al, 1985;Woodroffe and Grindrod, 1991).…”

Section: Evolution and Distribution Of Mangrove Plant Species In The mentioning

confidence: 99%

“…During prolonged dry periods in the Pleistocene, mangrove species may have got more confined to the hot and wet climate at the equator than they are today (Woodroffe and Grindrod, 1991). Moreover, declining sea levels due to glacial events in the Pleistocene that resulted in lowering sea levels would have created land connections between the present day land masses in South East Asia, which in turn made available large extents of potential mangrove habitats (inter-tidal areas) that could successfully be colonized and specialized by plants (Clark and Guppy, 1988;Woodroffe et al, 1985;Woodroffe and Grindrod, 1991). Wet and arid climates that prevailed in different parts of the tropics during Pleistocene would have contributed to the mangrove distribution now observed in the New and Old World mangrove areas.…”

Section: Evolution and Distribution Of Mangrove Plant Species In The mentioning

confidence: 99%

Historical biogeography of Sri Lankan mangroves

Amarasinghe

Perera

2017

Ceylon J. Sci.

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Mangroves are a group of genetically unrelated plant taxa of angiosperms that occur in inter-tidal habitats in sheltered tropical coastlines. Biogeographically, mangrove areas are categorized into two regions: Sri Lanka is situated in the IndoWest Pacific (IWP) region where the plant diversity is significantly greater than in the Caribbean, West Pacific and Atlantic regions (CWPA). More than half the number of mangrove plant species that are exclusive to mangrove areas in the IWP region occur in the Sri Lankan mangrove areas that cover only about 16,000 ha. Being located in the land-sea interface, identification of mangrove areas and plant taxa endemic to mangrove ecosystems is ambiguous as plants that occur in non-mangrove areas too occur in mangrove habitats. This paper presents an insight into aspects relevant to resolving this ambiguity. Accordingly, 24 true mangrove species and a hybrid have hitherto been reported from Sri Lanka, out of which two are reported only once by a single researcher. Processes pertinent to historical biogeography of mangroves in Sri Lanka are discussed in the light of current hypotheses and knowledge base.

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Mangrove Biogeography: The Role of Quaternary Environmental and Sea-Level Change

Cited by 179 publications

References 67 publications

Mangroves as indicators of coastal change

Mangroves as indicators of coastal change

Life stage influences the resistance and resilience of black mangrove forests to winter climate extremes

Historical biogeography of Sri Lankan mangroves

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