Hilary Neckles, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 39
Optimization of salt marsh management at the Chincoteague National Wildlife Refuge, Virginia, through use of structured decision making
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances tradeoffs among objective
Authors
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Kevin S. Holcomb
Optimization of salt marsh management at the Bombay Hook National Wildlife Refuge, Delaware, through use of structured decision making
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances tradeoffs among objective
Authors
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Susan T. Guiteras, Laura R. Mitchell
Development of a multimetric index for integrated assessment of salt marsh ecosystem condition
Tools for assessing and communicating salt marsh condition are essential to guide decisions aimed at maintaining or restoring ecosystem integrity and services. Multimetric indices (MMIs) are increasingly used to provide integrated assessments of ecosystem condition. We employed a theory-based approach that considers the multivariate relationship of metrics with human disturbance to construct a sal
Authors
Jessica L. Nagel, Hilary A. Neckles, Glenn R. Guntenspergen, Erika N. Rocks, Donald Schoolmaster, James B. Grace, Dennis E. Skidds, Sara Stevens
Distribution and diversity of tunicates utilizing eelgrass as substrate in the western North Atlantic between 39° and 47° north latitude (New Jersey to Newfoundland)
Seagrass meadows are ecologically important habitats that are declining globally at an accelerating rate due to natural and anthropogenic stressors. Their decline is a serious concern as this habitat provides many ecosystem services. Eelgrass (Zostera marina) is the dominant seagrass species in the western North Atlantic. It has recently been established that invasive tunicate species possibly thr
Authors
M R Carman, Phillip D Colarusso, Eric P Nelson, David W Grunden, Melisa C Wong, Cynthia McKenzie, Kyle Matheson, Jeffrey G. Davidson, Sophia Fox, Hilary A. Neckles, Holly Bayley, Stephen Schott, Jennifer A Dijkstra, Sarah Stewart-Clark
Loss of eelgrass in Casco Bay, Maine, linked to Green Crab disturbance
Over half of the Zostera marina (Eelgrass) cover disappeared from Casco Bay, ME, largely between 2012 and 2013. Eelgrass decline coincided with a population explosion of the invasive crab Carcinus maenas (European Green Crab). Green Crabs have been found to damage Eelgrass in Atlantic Canada through foraging activity, but destruction of established beds had not been documented in Maine. My objecti
Authors
Hilary A. Neckles
Use of structured decision making to identify monitoring variables and management priorities for salt marsh ecosystems
Most salt marshes in the USA have been degraded by human activities, and coastal managers are faced with complex choices among possible actions to restore or enhance ecosystem integrity. We applied structured decision making (SDM) to guide selection of monitoring variables and management priorities for salt marshes within the National Wildlife Refuge System in the northeastern USA. In general, SDM
Authors
Hilary A. Neckles, James E. Lyons, Glenn R. Guntenspergen, W. Gregory Shriver, Susan C. Adamowicz
Estuarine water quality in parks of the Northeast Coastal and Barrier Network: vital signs estuarine nutrient-enrichment monitoring, 2006-11
This report summarizes results of water-quality monitoring within estuaries of the National Park Service Northeast Coastal and Barrier Network (NCBN) from 2006 through 2011. Data collection formed part of the NCBN Vital Signs Monitoring Program implemented to detect threats of estuarine nutrient enrichment. Data included here were collected from six parks at predetermined intervals: Cape Cod Natio
Authors
James M. Caldwell, Matthew E. Nixon, Hilary A. Neckles, Penelope S. Pooler
Identification of metrics to monitor salt marsh integrity on National Wildlife Refuges in relation to conservation and management objectives
Executive Summary
Most salt marshes in the US have been degraded by human activities, and threats from physical alterations, surrounding land-use, species invasions, and global climate change persist. Salt marshes are unique and highly productive ecosystems with high intrinsic value to wildlife, and many National Wildlife Refuges (NWRs) have been established in coastal areas to protect large tract
Authors
Hilary A. Neckles, Glenn R. Guntenspergen, W. George Shriver, Nicholas P. Danz, Whitney A. Wiest, Jessica L. Nagel, Jennifer H. Olker
Priority data on marine and estuarine resources within northeastern National Parks: Inventory and acquisition needs
The purpose of this project was to guide development of a strategy for the inventory and mapping of submerged natural resources associated within 10 coastal parks of the National Park Service (NPS) Northeast Region (NER; see Table 1). Priority data needs were identified by the NER Ocean Stewardship Task Force. The majority of the NER priority data needs involve the biotic, chemical, and geologica
Authors
Tracy E. Hart, Hilary A. Neckles, Blaine S. Kopp
Integrating scales of seagrass monitoring to meet conservation needs
We evaluated a hierarchical framework for seagrass monitoring in two estuaries in the northeastern USA: Little Pleasant Bay, Massachusetts, and Great South Bay/Moriches Bay, New York. This approach includes three tiers of monitoring that are integrated across spatial scales and sampling intensities. We identified monitoring attributes for determining attainment of conservation objectives to protec
Authors
Hilary A. Neckles, Blaine S. Kopp, Bradley J. Peterson, Penelope S. Pooler
Estuarine water quality in parks of the Northeast Coastal and Barrier Network: Development and early implementation of vital signs estuarine nutrient-enrichment monitoring, 2003-06
This report documents results of pilot tests of a protocol for monitoring estuarine nutrient enrichment for the Vital Signs Monitoring Program of the National Park Service Northeast Coastal and Barrier Network. Data collected from four parks during protocol development in 2003-06 are presented: Gateway National Recreation Area, Colonial National Historic Park, Fire Island National Seashore, and As
Authors
Blaine S. Kopp, Martha Nielsen, Dejan Glisic, Hilary A. Neckles
A regional assessment of salt marsh restoration and monitoring in the Gulf of Maine
We compiled salt marsh monitoring datasets from 36 complete or imminent restoration projects in the Gulf of Maine to assess regional monitoring and restoration practices. Data were organized by functional indicators and restoration project types (culvert replacement, excavation works, or ditch plugging) then pooled to generate mean values for indicators before restoration, after restoration, and
Authors
R.A. Konisky, D.M. Burdick, M. Dionne, H.A. Neckles
Non-USGS Publications**
Moore, K. A., H. A. Neckles, and R. J. Orth.1996. Zostera marina (eelgrass) growth and survival along a gradient of nutrients and turbidity in the lower Chesapeake Bay. Marine Ecology Progress Series 142:247-259. DOI: 10.3354/meps142247
Neckles, H. A. (ed). 1994. Indicator development: seagrass monitoring and research in the Gulf of Mexico. EPA/620/R-94/029. 64pp.
Neckles, H. A., E. T. Koepfler, L. W. Haas, R. L. Wetzel, and R. J. Orth. 1994. Dynamics of epiphytic photoautotrophs and heterotrophs in Zostera marina L. (eelgrass) microcosms: responses to nutrient enrichment and grazing. Estuaries 17:597-605. DOI: 10.2307/1352407
Neckles, H. A., H. R. Murkin, and J. A. Cooper. 1990. Influences of seasonal flooding on macroinvertebrate abundance in wetland habitats. Freshwater Biology 23:311-322. DOI: 10.1111/j.1365-2427.1990.tb00274.x
Neckles, H. A. and R. L. Wetzel. 1989. Effects of forage harvest in seasonally flooded prairie marshes: simulation model experiments. pp. 975-990 in R. R. Sharitz and J. W. Gibbons (eds). Freshwater Wetlands and Wildlife. DOE Symposium Series No. 61, USDOE Office of Scientific and Technical Information, Oak Ridge, TN.
Wetzel, R. L. and H. A. Neckles. 1986. A model of Zostera marina L. photosynthesis and growth: simulated effects of selected physical-chemical variables and biological interactions. Aquatic Botany 26:307-323. DOI: 10.1007/BF00317683
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Filter Total Items: 39
Optimization of salt marsh management at the Chincoteague National Wildlife Refuge, Virginia, through use of structured decision making
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances tradeoffs among objective
Authors
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Kevin S. Holcomb
Optimization of salt marsh management at the Bombay Hook National Wildlife Refuge, Delaware, through use of structured decision making
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances tradeoffs among objective
Authors
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Susan T. Guiteras, Laura R. Mitchell
Development of a multimetric index for integrated assessment of salt marsh ecosystem condition
Tools for assessing and communicating salt marsh condition are essential to guide decisions aimed at maintaining or restoring ecosystem integrity and services. Multimetric indices (MMIs) are increasingly used to provide integrated assessments of ecosystem condition. We employed a theory-based approach that considers the multivariate relationship of metrics with human disturbance to construct a sal
Authors
Jessica L. Nagel, Hilary A. Neckles, Glenn R. Guntenspergen, Erika N. Rocks, Donald Schoolmaster, James B. Grace, Dennis E. Skidds, Sara Stevens
Distribution and diversity of tunicates utilizing eelgrass as substrate in the western North Atlantic between 39° and 47° north latitude (New Jersey to Newfoundland)
Seagrass meadows are ecologically important habitats that are declining globally at an accelerating rate due to natural and anthropogenic stressors. Their decline is a serious concern as this habitat provides many ecosystem services. Eelgrass (Zostera marina) is the dominant seagrass species in the western North Atlantic. It has recently been established that invasive tunicate species possibly thr
Authors
M R Carman, Phillip D Colarusso, Eric P Nelson, David W Grunden, Melisa C Wong, Cynthia McKenzie, Kyle Matheson, Jeffrey G. Davidson, Sophia Fox, Hilary A. Neckles, Holly Bayley, Stephen Schott, Jennifer A Dijkstra, Sarah Stewart-Clark
Loss of eelgrass in Casco Bay, Maine, linked to Green Crab disturbance
Over half of the Zostera marina (Eelgrass) cover disappeared from Casco Bay, ME, largely between 2012 and 2013. Eelgrass decline coincided with a population explosion of the invasive crab Carcinus maenas (European Green Crab). Green Crabs have been found to damage Eelgrass in Atlantic Canada through foraging activity, but destruction of established beds had not been documented in Maine. My objecti
Authors
Hilary A. Neckles
Use of structured decision making to identify monitoring variables and management priorities for salt marsh ecosystems
Most salt marshes in the USA have been degraded by human activities, and coastal managers are faced with complex choices among possible actions to restore or enhance ecosystem integrity. We applied structured decision making (SDM) to guide selection of monitoring variables and management priorities for salt marshes within the National Wildlife Refuge System in the northeastern USA. In general, SDM
Authors
Hilary A. Neckles, James E. Lyons, Glenn R. Guntenspergen, W. Gregory Shriver, Susan C. Adamowicz
Estuarine water quality in parks of the Northeast Coastal and Barrier Network: vital signs estuarine nutrient-enrichment monitoring, 2006-11
This report summarizes results of water-quality monitoring within estuaries of the National Park Service Northeast Coastal and Barrier Network (NCBN) from 2006 through 2011. Data collection formed part of the NCBN Vital Signs Monitoring Program implemented to detect threats of estuarine nutrient enrichment. Data included here were collected from six parks at predetermined intervals: Cape Cod Natio
Authors
James M. Caldwell, Matthew E. Nixon, Hilary A. Neckles, Penelope S. Pooler
Identification of metrics to monitor salt marsh integrity on National Wildlife Refuges in relation to conservation and management objectives
Executive Summary
Most salt marshes in the US have been degraded by human activities, and threats from physical alterations, surrounding land-use, species invasions, and global climate change persist. Salt marshes are unique and highly productive ecosystems with high intrinsic value to wildlife, and many National Wildlife Refuges (NWRs) have been established in coastal areas to protect large tract
Authors
Hilary A. Neckles, Glenn R. Guntenspergen, W. George Shriver, Nicholas P. Danz, Whitney A. Wiest, Jessica L. Nagel, Jennifer H. Olker
Priority data on marine and estuarine resources within northeastern National Parks: Inventory and acquisition needs
The purpose of this project was to guide development of a strategy for the inventory and mapping of submerged natural resources associated within 10 coastal parks of the National Park Service (NPS) Northeast Region (NER; see Table 1). Priority data needs were identified by the NER Ocean Stewardship Task Force. The majority of the NER priority data needs involve the biotic, chemical, and geologica
Authors
Tracy E. Hart, Hilary A. Neckles, Blaine S. Kopp
Integrating scales of seagrass monitoring to meet conservation needs
We evaluated a hierarchical framework for seagrass monitoring in two estuaries in the northeastern USA: Little Pleasant Bay, Massachusetts, and Great South Bay/Moriches Bay, New York. This approach includes three tiers of monitoring that are integrated across spatial scales and sampling intensities. We identified monitoring attributes for determining attainment of conservation objectives to protec
Authors
Hilary A. Neckles, Blaine S. Kopp, Bradley J. Peterson, Penelope S. Pooler
Estuarine water quality in parks of the Northeast Coastal and Barrier Network: Development and early implementation of vital signs estuarine nutrient-enrichment monitoring, 2003-06
This report documents results of pilot tests of a protocol for monitoring estuarine nutrient enrichment for the Vital Signs Monitoring Program of the National Park Service Northeast Coastal and Barrier Network. Data collected from four parks during protocol development in 2003-06 are presented: Gateway National Recreation Area, Colonial National Historic Park, Fire Island National Seashore, and As
Authors
Blaine S. Kopp, Martha Nielsen, Dejan Glisic, Hilary A. Neckles
A regional assessment of salt marsh restoration and monitoring in the Gulf of Maine
We compiled salt marsh monitoring datasets from 36 complete or imminent restoration projects in the Gulf of Maine to assess regional monitoring and restoration practices. Data were organized by functional indicators and restoration project types (culvert replacement, excavation works, or ditch plugging) then pooled to generate mean values for indicators before restoration, after restoration, and
Authors
R.A. Konisky, D.M. Burdick, M. Dionne, H.A. Neckles
Non-USGS Publications**
Moore, K. A., H. A. Neckles, and R. J. Orth.1996. Zostera marina (eelgrass) growth and survival along a gradient of nutrients and turbidity in the lower Chesapeake Bay. Marine Ecology Progress Series 142:247-259. DOI: 10.3354/meps142247
Neckles, H. A. (ed). 1994. Indicator development: seagrass monitoring and research in the Gulf of Mexico. EPA/620/R-94/029. 64pp.
Neckles, H. A., E. T. Koepfler, L. W. Haas, R. L. Wetzel, and R. J. Orth. 1994. Dynamics of epiphytic photoautotrophs and heterotrophs in Zostera marina L. (eelgrass) microcosms: responses to nutrient enrichment and grazing. Estuaries 17:597-605. DOI: 10.2307/1352407
Neckles, H. A., H. R. Murkin, and J. A. Cooper. 1990. Influences of seasonal flooding on macroinvertebrate abundance in wetland habitats. Freshwater Biology 23:311-322. DOI: 10.1111/j.1365-2427.1990.tb00274.x
Neckles, H. A. and R. L. Wetzel. 1989. Effects of forage harvest in seasonally flooded prairie marshes: simulation model experiments. pp. 975-990 in R. R. Sharitz and J. W. Gibbons (eds). Freshwater Wetlands and Wildlife. DOE Symposium Series No. 61, USDOE Office of Scientific and Technical Information, Oak Ridge, TN.
Wetzel, R. L. and H. A. Neckles. 1986. A model of Zostera marina L. photosynthesis and growth: simulated effects of selected physical-chemical variables and biological interactions. Aquatic Botany 26:307-323. DOI: 10.1007/BF00317683
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.