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Wednesday, July 29, 2020 | History

2 edition of Nutrient limitation of plant growth and forage quality in Arctic coastal marshes found in the catalog.

Nutrient limitation of plant growth and forage quality in Arctic coastal marshes

Jacqueline Ngai

Nutrient limitation of plant growth and forage quality in Arctic coastal marshes

by Jacqueline Ngai

  • 365 Want to read
  • 34 Currently reading

Published in 2003 .
Written in English


Edition Notes

StatementJJacqueline Ngai.
The Physical Object
Paginationxi, 141 leaves :
Number of Pages141
ID Numbers
Open LibraryOL20357787M
ISBN 10061284126X

Critical loads of atmospheric N deposition for phytoplankton nutrient limitation shifts in western U.S. mountain lakes JASON J. WILLIAMS, 1,5, JASON A. LYNCH,2 JASMINE E. SAROS,3 AND STEPHANIE G. LABOU 4 1Department of Civil and Environmental Engineering, Washington State University, Spokane Street, Sloan , Pullman, Washington USACited by: 6. Here, we report the results of a comparative set of nutrient limitation experiments in two coastal systems in Falmouth, Mas-sachusetts, of very different salinities: Vineyard Sound and Oyster Pond (32‰ and ‰, respectively). Previous studies have re-ported N limitation in Vineyard Sound (5, 6) as would be expectedFile Size: 63KB.

Historical land claim of coastal salt marshes in eastern England resulted in the development of grazing marshes, many of which were subsequently converted to arable farming. Their ditches support a rich variety of macrophyte species, due to subtle changes in water chemistry and hydroperiod. Macrophytes were surveyed in 36 shallow freshwater/brackish marsh ditches in . -fish, shrimp, corals, and other marine animals get killed, affecting coastal and ocean ecosystems-plants in coastal marshes die, which results in erosion of marshes that put coastal cities at greater risk from storm surges and flooding-fishermen and shrimpers are put out of .

  Akasaka M, Takamura N. The relative importance of dispersal and the local environment for species richness in two aquatic plant growth forms. Oikos. ; – Akasaka M, Takamura N, Mitsuhashi H, Kadono Y. Effects of land use on aquatic macrophyte diversity and water quality of ponds. Freshw Biol. ; –Cited by:   A full factorial NP addition experiment (2×2) was established in and continued through August Four treatments, including control, N addition (kg N ha −1 year −1), P addition (kg P ha −1 year −1) and NP addition (kg N ha −1 year −1 plus kg P ha −1 year −1) were set up in this ynthetic traits (maximum Cited by:


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Nutrient limitation of plant growth and forage quality in Arctic coastal marshes by Jacqueline Ngai Download PDF EPUB FB2

Introduction. Nutrient availability for plant growth is an important factor influencing primary production (Aerts & Chapin ) and the nutritional quality of forage for e of the variation in nutrient concentrations in plant tissues, herbivores forage selectively to meet their nutritional requirements (), and forage quality has consequences for Cited by: Blackwell Publishing, Ltd.

Nutrient limitation of plant growth and forage quality in Arctic coastal marshes JACQUELINE T. NGAI* and ROBERT L. JEFFERIES Department of Botany, University of Toronto, 25 Willcocks Street, Toronto, Ontario, Canada, M5S 3B2 Summary 1 Foraging by geese has led to vegetation loss in salt marshes along the Hudson Bay.

Download Citation | Nutrient limitation of plant growth and forage quality in Artic coastal marshes | Summary 1 Foraging by geese has led to vegetation loss. Addition of inorganic nitrogen, phosphorus and potassium in a factorial design in two ungrazed Wadden-Sea salt marshes at low and high elevations showed that nitrogen was the limiting nutrient.

No effects of nutrient addition were detected in the 1st year, probably due to a considerable rainfall deficit during the growing season. In the 2nd year, which was more Cited by: These subtle effects of goose grazing are in contrast to the effects found in brackish and sub-arctic salt marshes where foraging on below-ground.

As nutrient-laden runoff from cities and farms flows into temperate salt marshes, it causes eutrophication—increased plant growth and. Coastal wetland sustainability in the future will likely depend on the extent to which increases in sea level drive flooding duration, plant submergence, and higher salinities, and how wetlands respond to these changes.

Coastal wetlands will need to grow vertically to cope with rising seas, and sedimentation, often observed following hurricane passage, could play a by: 4. Survival and growth of the forage grass Festuca rubra in naturally and artificially devegetated sites in a sub-arctic coastal marsh1 Pamela C.

O2 & Peter M. KOTANEN, Department of Botany, University of Toronto, Mississauga Road North, Mississauga, Ontario L5L 1C6, Canada, e-mail: [email protected] Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments.

In Canadian Journal of Fisheries and Aquatic Sciences (7 ed., Vol. 47, pp. )Cited by: Urban wastewaters contain high concentrations of nutrients and as such, contribute significantly to the mass loadings of nitrogen and phosphorus to coastal waters.

The various inorganic forms of nitrogen and phosphorus stimulate aquatic plant growth. Spartina maritima is distributed along the coasts of western, southern, and southeastern Europe, and western Africa.

It is an herbaceous perennial plant, with a C 4 type of photosynthetic mechanism (Nieva et al.,Gray and Mogg, ) and colonizes low marshes. maritimus is widely distributed in Europe (Peláez et al., ) and North America (Kantrud, ) and it Cited by: For the immediate coastal freshwater mires, mostly poor fens, plant growth is limited by both nitrogen and phosphorus (Ngai and Jefferies, ).

Consequently, the plant species richness of Arctic and sub-Arctic coastal salt marshes is low compared with temperate marshes, and prostrate graminoids dominate the by: 1.

Annual average sea level at New London, CT. Sea level data comes from the NOAA New London, CT tide gage. Open circles indicate sea levels from (y=x –R2=) and filled circles indicate sea levels from (y=x –R2=).Dashed trend line represents. Coastal marshes are increasingly recognized for their ability to decrease the level of storm energy and flooding that reaches upland areas, protecting property and infrastructure.

Additionally, coastal marshes provide forage and refuge habitat for wildlife, water pollution extraction, and support food production. Both species are widespread in Arctic coastal systems. In the adjacent freshwater sedge meadows, the dominant forage species is Carex aquatilis which can grow up to 50 cm or more and increasingly has become an important forage plant of the geese with the loss of salt-marsh vegetation (Kotanen and Jefferies, ).Cited by: ent limitation of phytoplankton production in Alaskan arctic waters and anticipated regional-scale changes clearly point to a need for a comprehensive regional assessment of the current nutrient status of lakes and ponds.

Consequently, this study was aimed at extend-ing the database for phytoplankton nutrient status to. phenolics variability in determining nutrient conser-vation. In this study, we evaluated possible nutrient conservation strategies of a mangrove Rhizophora stylosa under nutrient limitation.

The leaf nutrient concentrations of R. stylosa changed with season, with the highest N. Cargill, S. M., and R. Jefferies. Nutrient limitation of primary production in a sub-arctic salt marsh.

Journal of Applied Ecology – Cargill, S. M., and R. Jefferies. The effects of grazing by lesser snow geese on the vegetation of a sub-arctic salt marsh. Journal of Applied Ecology – A coastal body of water that connects to an ocean, in which fresh water from the land mixes with salt water.

salt marshes A wetland dominated by grasses in which the salinity fluctuates between that of sea water and fresh water; salt marshes are usually located in estuaries. Life In and Around the Salt Marshes;: A handbook of plant and animal life in and around the temperate Atlantic coastal marshes, [Michael J Ursin, Michael J Ursin, Geroge C.

Matthiessen, Linda G. Clark] on *FREE* shipping on qualifying offers. Life In and Around the Salt Marshes;: A handbook of plant and animal life in and around the temperate Atlantic coastal Author: Michael J Ursin.

Nutrient cycling in wetlands: The diffusion of oxygen in saturated soils is 10, times slower than in unsaturated soils. A saturated soil will become anaerobic in a matter of hours (matter of days at the most) depending on 1) temperature 2) the amount of File Size: 67KB.Harvesting invasive plants to reduce nutrient loads and produce bioenergy: an assessment of Great Lakes coastal wetlands BRENDAN D.

CARSON, 1 SHANE C. LISHAWA,1, NANCY C. TUCHMAN,1 ANDREW M. MONKS,1 BETH A. LAWRENCE, 2 AND DENNIS A. ALBERT 3 1Institute of Environmental Sustainability, Loyola University Chicago, Chicago, Illinois Cited by: 8.This book draws together that research and explores the importance of heavy clay soils to agricultural productivity in the tropics and subtropics and the identification of adapted, productive forage legumes for these environments.

Covering over four decades of international research, Tropical Forage Legumes.