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Papers by Gregg Moore

Water Emerging Contaminants & Nanoplastics, Nov 29, 2023

Estuaries and Coasts, Dec 9, 2019

PLOS ONE, 2021

In mid-winter 2018, an unprecedented sediment deposition event occurred throughout portions of th... more In mid-winter 2018, an unprecedented sediment deposition event occurred throughout portions of the Great Marsh in Massachusetts. Evaluation of this event in distinct marsh areas spanning three towns (Essex, Ipswich, and Newbury) revealed deposition covering 29.2 hectares with an average thickness of 30.1±2.1 mm measured shortly after deposition. While sediment deposition helps marshes survive sea level rise by building elevation, effects of such a large-scale deposition on New England marshes are unknown. This natural event provided an opportunity to study effects of large-scale sediment addition on plant cover and soil chemistry, with implications for marsh resilience. Sediment thickness did not differ significantly between winter and summer, indicating sediment is not eroding or compacting. The deposited sediment at each site had similar characteristics to that of the adjacent mudflat (e.g., texture, bivalve shells), suggesting that deposited materials resulted from ice rafting fr...

PLOS ONE, 2010

Mangrove species are uniquely adapted to tropical and subtropical coasts, and although relatively... more Mangrove species are uniquely adapted to tropical and subtropical coasts, and although relatively low in number of species, mangrove forests provide at least US $1.6 billion each year in ecosystem services and support coastal livelihoods worldwide. Globally, mangrove areas are declining rapidly as they are cleared for coastal development and aquaculture and logged for timber and fuel production. Little is known about the effects of mangrove area loss on individual mangrove species and local or regional populations. To address this gap, species-specific information on global distribution, population status, life history traits, and major threats were compiled for each of the 70 known species of mangroves. Each species’ probability of extinction was assessed under the Categories and Criteria of the IUCN Red List of Threatened Species. Eleven of the 70 mangrove species (16%) are at elevated threat of extinction. Particular areas of geographical concern include the Atlantic and Pacific ...

Wildlife Society Bulletin

As water temperatures rise due to global warming and nitrogen inputs change, it is important to u... more As water temperatures rise due to global warming and nitrogen inputs change, it is important to understand how these changes are impacting vegetative communities that form the basic habitat structure in the Great Bay Estuary, NH. The abundance and taxa of intertidal seaweeds have been monitored at fixed locations throughout the Estuary since 2013. In 2020, percent cover and biomass were collected from five intertidal and four subtidal sampling locations. Data from 2013-2020 show appreciable amounts of nuisance seaweeds (primarily reds), including several introduced species. Cover of green seaweeds decreased significantly over time at the two intertidal sites (Depot Road and Adams Point), and red seaweed decreased at one site (Depot Road). However, results from 2020 still show high levels of nuisance red seaweed, particularly at the lowest intertidal elevations. At subtidal locations, cover of both eelgrass and algae was higher in 2020 than in 2019

Water Emerging Contaminants & Nanoplastics, Nov 29, 2023

Estuaries and Coasts, Dec 9, 2019

PLOS ONE, 2021

In mid-winter 2018, an unprecedented sediment deposition event occurred throughout portions of th... more In mid-winter 2018, an unprecedented sediment deposition event occurred throughout portions of the Great Marsh in Massachusetts. Evaluation of this event in distinct marsh areas spanning three towns (Essex, Ipswich, and Newbury) revealed deposition covering 29.2 hectares with an average thickness of 30.1±2.1 mm measured shortly after deposition. While sediment deposition helps marshes survive sea level rise by building elevation, effects of such a large-scale deposition on New England marshes are unknown. This natural event provided an opportunity to study effects of large-scale sediment addition on plant cover and soil chemistry, with implications for marsh resilience. Sediment thickness did not differ significantly between winter and summer, indicating sediment is not eroding or compacting. The deposited sediment at each site had similar characteristics to that of the adjacent mudflat (e.g., texture, bivalve shells), suggesting that deposited materials resulted from ice rafting fr...

PLOS ONE, 2010

Mangrove species are uniquely adapted to tropical and subtropical coasts, and although relatively... more Mangrove species are uniquely adapted to tropical and subtropical coasts, and although relatively low in number of species, mangrove forests provide at least US $1.6 billion each year in ecosystem services and support coastal livelihoods worldwide. Globally, mangrove areas are declining rapidly as they are cleared for coastal development and aquaculture and logged for timber and fuel production. Little is known about the effects of mangrove area loss on individual mangrove species and local or regional populations. To address this gap, species-specific information on global distribution, population status, life history traits, and major threats were compiled for each of the 70 known species of mangroves. Each species’ probability of extinction was assessed under the Categories and Criteria of the IUCN Red List of Threatened Species. Eleven of the 70 mangrove species (16%) are at elevated threat of extinction. Particular areas of geographical concern include the Atlantic and Pacific ...

Wildlife Society Bulletin

As water temperatures rise due to global warming and nitrogen inputs change, it is important to u... more As water temperatures rise due to global warming and nitrogen inputs change, it is important to understand how these changes are impacting vegetative communities that form the basic habitat structure in the Great Bay Estuary, NH. The abundance and taxa of intertidal seaweeds have been monitored at fixed locations throughout the Estuary since 2013. In 2020, percent cover and biomass were collected from five intertidal and four subtidal sampling locations. Data from 2013-2020 show appreciable amounts of nuisance seaweeds (primarily reds), including several introduced species. Cover of green seaweeds decreased significantly over time at the two intertidal sites (Depot Road and Adams Point), and red seaweed decreased at one site (Depot Road). However, results from 2020 still show high levels of nuisance red seaweed, particularly at the lowest intertidal elevations. At subtidal locations, cover of both eelgrass and algae was higher in 2020 than in 2019

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