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An Analysis of Primary and Secondary Production in Lake Kariba in a Changing Climate
AN ANALYSIS OF PRIMARY AND SECONDARY PRODUCTION IN LAKE KARIBA IN A CHANGING CLIMATE MZIME R. NDEBELE-MURISA A thesis submitted in partial fulfillment of the requirements for the degree of Doctor Philosophiae in the Department of Biodiversity and Conservation Biology, University of the Western Cape Supervisor: Prof. Charles Musil Co-Supervisor: Prof. Lincoln Raitt May 2011 An analysis of primary and secondary production in Lake Kariba in a changing climate Mzime Regina Ndebele-Murisa KEYWORDS Climate warming Limnology Primary production Phytoplankton Zooplankton Kapenta production Lake Kariba i Abstract Title: An analysis of primary and secondary production in Lake Kariba in a changing climate M.R. Ndebele-Murisa PhD, Biodiversity and Conservation Biology Department, University of the Western Cape Analysis of temperature, rainfall and evaporation records over a 44-year period spanning the years 1964 to 2008 indicates changes in the climate around Lake Kariba. Mean annual temperatures have increased by approximately 1.5oC, and pan evaporation rates by about 25%, with rainfall having declined by an average of 27.1 mm since 1964 at an average rate of 6.3 mm per decade. At the same time, lake water temperatures, evaporation rates, and water loss from the lake have increased, which have adversely affected lake water levels, nutrient and thermal dynamics. The most prominent influence of the changing climate on Lake Kariba has been a reduction in the lake water levels, averaging 9.5 m over the past two decades. These are associated with increased warming, reduced rainfall and diminished water and therefore nutrient inflow into the lake. The warmer climate has increased temperatures in the upper layers of lake water, the epilimnion, by an overall average of 1.9°C between 1965 and 2009. -
Greene County Open Space and Recreation Plan
GREENE COUNTY OPEN SPACE AND RECREATION PLAN PHASE I INVENTORY, DATA COLLECTION, SURVEY AND PUBLIC COMMENT DECEMBER 2002 A Publication of the Greene County Planning Department Funded in Part by a West of Hudson Master Planning and Zoning Incentive Award From the New York State Department of State Greene County Planning Department 909 Greene County Office Building, Cairo, New York 12413-9509 Phone: (518) 622-3251 Fax: (518) 622-9437 E-mail: [email protected] GREENE COUNTY OPEN SPACE AND RECREATION PLAN - PHASE I INVENTORY, DATA COLLECTION, SURVEY AND PUBLIC COMMENT TABLE OF CONTENTS I. Introduction ………………………………………………………………………………………………………………………………… 1 II. Natural Resources ……………………………………………………………………………………………………………………… 2 A. Bedrock Geology ………………………………………………………………………………………………………………… 2 1. Geological History ………………………………………………………………………………………………………… 2 2. Overburden …………………………………………………………………………………………………………………… 4 3. Major Bedrock Groups …………………………………………………………………………………………………… 5 B. Soils ……………………………………………………………………………………………………………………………………… 5 1. Soil Rating …………………………………………………………………………………………………………………… 7 2. Depth to Bedrock ………………………………………………………………………………………………………… 7 3. Suitability for Septic Systems ……………………………………………………………………………………… 8 4. Limitations to Community Development ………………………………………………………………… 8 C. Topography …………………………………………………………………………………………………………………………… 9 D. Slope …………………………………………………………………………………………………………………………………… 10 E. Erosion and Sedimentation ………………………………………………………………………………………………… 11 F. Aquifers ……………………………………………………………………………………………………………………………… -
Hemlock-Canadice Unit Management Plan
Division of Lands & Forests Bureau of State Land Management HEMLOCK-CANADICE UNIT MANAGEMENT PLAN Final Livingston County towns of Livonia, Conesus and Springwater Ontario County towns of Richmond and Canadice January 2015 NYS Department of Environmental Conservation Region 8 Sub-Office 7291 Coon Rd. Bath, New York 14810 Hemlock-Canadice Unit Management Plan New York State Department of Environmental Conservation’s Mission “The quality of our environment is fundamental to our concern for the quality of life. It is hereby declared to be the policy of the State of New York to conserve, improve and protect its natural resources and environment and to prevent, abate and control water, land and air pollution, in order to enhance the health, safety and welfare of the people of the state and their overall economic and social well-being.” - Environmental Conservation Law 1-0101(1) Preface It is the policy of the New York State Department of Environmental Conservation (NYS DEC) to manage state lands for multiple benefits to serve the people of New York State. This Unit Management Plan (Unit) is the first step in carrying out that policy. The plan has been developed to address management activities on this unit for the next 10 year period. Some management recommendations may extend beyond the 10 year period. Factors such as budget constraints, wood product markets, and forest health problems may necessitate deviations from the scheduled management activities. Vision Statement for All State Forests State Forests on the Hemlock-Canadice Unit will be managed in a sustainable manner by promoting ecosystem health, enhancing landscape biodiversity, protecting soil productivity and water quality. -
Genesee Valley Glacial and Postglacial Geology from 50000
Genesee Valley Glacial and Postglacial Geology from 50,000 Years Ago to the Present: A Selective Annotated Review Richard A. Young, Department of Geological Sciences, SUNY, Geneseo, NY 14454 Introduction The global chronology for The Pleistocene Epoch, or “ice age,” has been significantly revised during the last three decades (Alley and Clark, 1999) as a result of the extended and more accurate data provided by deep sea drilling projects, ice core studies from Greenland and Antarctica (Andersen et al. 2006; Svensson et al. 2008), oxygen isotope studies of marine sediments, and climatic proxy data from lake cores, peat bogs, and cave stalactites. These new data have improved our ability to match the Earth’s Milankovitch orbital cycles to the improved ice core and radiometric chronologies (ages based on radiocarbon, U-Th, U-Pb). However, the Milankovitch theory has recently been the subject of renewed controversy, and not all cyclical climatic phenomena are directly reconcilable with Milankovitch’s original ideas (Ridgwell et al., 1999; Ruddiman, 2006). Overall, it is evident that there must have been as many as 20 or more glacial cycles in the last 2.5 million years, not all of which necessarily resulted in the expansion of large ice sheets as far south as the United States-Canadian border. The International Union of Geological Sciences recently adopted a change for the Pliocene-Pleistocene boundary, extending the beginning of the Pleistocene Epoch back from 1.8 to 2.588 million years Before Present (BP). The average length of the most recent glacial- interglacial cycles (also known as “Stages”) is on the order of 100,000 years, with 10,000 to 15,000 years being the approximate length of the interglacial warm episodes between the longer cold cycles (also known as cold stadials and warm interstadials). -
Water Resources Report
MMINNEAPOLISINNEAPOLIS PPARKARK && RRECREATIONECREATION BBOARDOARD 20122012 WWATERATER RRESOURCESESOURCES RREPORTEPORT Environmental Stewardship Water Resources Management www.minneapolisparks.org January 2015 2012 WATER RESOURCES REPORT Prepared by: Minneapolis Park & Recreation Board Environmental Stewardship 3800 Bryant Avenue South Minneapolis, MN 55409-1029 612.230.6400 www.minneapolisparks.org January 2015 Funding provided by: Minneapolis Park & Recreation Board City of Minneapolis Public Works Copyright © 2015 by the Minneapolis Park & Recreation Board Material may be quoted with attribution. TABLE OF CONTENTS Page Abbreviations ............................................................................................................................. i Executive Summary ............................................................................................................... iv 1. Monitoring Program Overview .............................................................................................. 1-1 2. Birch Pond .............................................................................................................................. 2-1 3. Brownie Lake ......................................................................................................................... 3-1 4. Lake Calhoun ......................................................................................................................... 4-1 5. Cedar Lake ............................................................................................................................ -
ALDRICH TOWING-PATH CHANGE BRIDGE Erie Canal, Bridge No. 35
ALDRICH TOWING-PATH CHANGE BRIDGE HAER No. NY-315 Erie Canal, Bridge No. 35 Sexton Bridge Spanning the New York State Heritage Trail, Aqueduct Park (Moved from Macedon, Wayne County, NY) My. Palmyra Wayne County New York > PHOTOGRAPHS (^.REDUCED COPIES OF MEASURED DRAWINGS WRITTEN HISTORICAL AND DESCRIPTIVE DATA HISTORIC AMERICAN ENGINEERING RECORD National Park Service 1849 C Street, NC300 Washington, DC 20240 HISTORIC AMERICAN ENGINEERING RECORD ALDR1CH TOWING-PATH CHANGE BRIDGE (Erie Canal, Bridge No. 35) (Sexton Bridge) HAERNo.NY-315 Location: Spanning the New York State Heritage Trail, Aqueduct Park, Palmyra, Wayne County, New York. Date of Construction: 1858 Builders: John Hutchinson (Troy, New York), contractor and builder. George W. Eddy, Mohawk and Hudson Iron Works (Waterford, New York), founder and machinist. Present Owner: Town of Macedon, New York, 30 Main Street, Macedon, Wayne County, New York (Nelson Warner, Supervisor, 1998). Present Use: Monument and footbridge Significance: The Aldrich Change Bridge is the oldest dated iron bridge in New York State and one of only two bridges known to survive from the first enlargement of the Erie Canal. In addition to its importance as an artifact of one of the nation's earliest and most significant public works, it draws attention to one of the lesser known and largely overlooked designs of Squire Whipple, nineteenth-century America's foremost theoretician-practitioner of truss bridge design. Fabricated in the Waterford, New York, iron works of George W. Eddy and erected by John Hutchinson of Troy, the Aldrich change bridge was a product of the rich industrial complex then flourishing at the confluence of the Mohawk and Hudson Rivers in eastern New York. -
Habitat Management Plan for Honeoye Creek Wildlife Management Area 2017 ‐ 2026
Habitat Management Plan for Honeoye Creek Wildlife Management Area 2017 ‐ 2026 Photo: Mike Palermo Division of Fish and Wildlife Bureau of Wildlife 6274 East Avon‐Lima Road, Avon, New York 14414 October 16, 2017 Prepared by: Michael Palermo, Biologist I (Wildlife) Emily Bonk, Forester 1 John Mahoney, Forestry Technician 1 Young Forest Initiative Dana Hilderbrant, Fish & Wildlife Technician 3 Honeoye Creek WMA Management Heidi Kennedy, Biologist 1 (Wildlife) Land Management & Habitat Conservation Team Reviewed and approved by: !(}/! 7/~d/7 Michael Wasilco, Regional Wildlife Manager Date Bureaµ of Wildlife 1 7 James F. Farquh III, Chief Date Bureau of Wildlife ny Wilkinson, Director vision of Fish and Wildlife Financial support for development ofthis Habitat Management Plan was provided by the Federal Aid in Wildlife and Sport Fish Restoration Program and non-federal funds administered by the New York State Department of Environmental Conservation including Habitat & Access Stamp funds. llPage TABLE OF CONTENTS SUMMARY ......................................................................................................................................... 3 I. BACKGROUND AND INTRODUCTION................................................................................................ 4 PURPOSE OF HABITAT MANAGEMENT PLANS ............................................................................ 4 WMA OVERVIEW ...................................................................................................................... 5 LANDSCAPE -
Groundwater Contour Plan 13 December 1990
File on «>nnna X Vn» -'••=-. * Nn , SiteNamfl ^>t>V. ~Q ^flC^^.rr-" ->r».---! Site No. 0X6(3 // *- •/...• - County, L,\s,\,.rh/\ _ - •• - •• Town U/JirA '•• • •• "•• tollable £____„Yes - No Fiie Mama ' r<>f> *sf?k ^ 8J6o (I. (<t1? -/I- ./y. Scanned&fiDCfc p-&~~ WKpf**%\fi&&> M &:A ®:S IMlH:te^m m •tox kfc-J £V afl* * ST* *^J^*sa*^r ad ^J^p^^'^T^^'^^^F^^ •WS*.«Hrt .->>^-, ^y... --^,-^P->-,-^..^^Ov*.- ..w-^ J^'>."KMV-,^^ ^;^ ! : " *•*>•" - - '^-—-'•••--*'• ' FINAL REMEDIAL INVESTIGATION WORK PLAN ENARC-O MACHINE PRODUCTS, INC. NYSDEC REGISTRY SITE NO. 8-26-011 LIMA, NEW YORK Prepared for: Kaddis Manufacturing Corp. 1100 Beahan Road Rochester, New York By: H&A of New York 189 N. Water Street Rochester, New York JAN 7/994 "SSr File No. 70372-40 December 1993 A9A Gaotachnlcil Englno«r« A Letter of Transmittal Environmontal Consultants To NYSDEC - Bureau of Western Remedial"Action 4 January 1994 50 Wolf Road Fil°Number 70372-40 Albany, New York 12233-7010 Subiect Enarc-O Machine Attention David Chiusano Site #826011 Copies Date Descri ption 6 12/30/93 Final RI Work Plan Enarc-O Machine Corp. Revised pages 23, 24 and Table 2 Remarks In accordance with our phone conversation and your verbal approval of the work plan, enclosed are copies as indicated above. The revised pages 23, 24 and Table 2 are for you to insert in the work plan copy we sent you last week. The six full copies already have the revisions on these pages that you had requested. Distribution of the plan with your requested revisions has been done as shown below. -
Top-Down Trophic Cascades in Three Meromictic Lakes Tanner J
Top-down Trophic Cascades in Three Meromictic Lakes Tanner J. Kraft, Caitlin T. Newman, Michael A. Smith, Bill J. Spohr Ecology 3807, Itasca Biological Station, University of Minnesota Abstract Projections of tropic cascades from a top-down model suggest that biotic characteristics of a lake can be predicted by the presence of planktivorous fish. From the same perspective, the presence of planktivorous fish can theoretically be predicted based off of the sampled biotic factors. Under such theory, the presence of planktivorous fish contributes to low zooplankton abundances, increased zooplankton predator-avoidance techniques, and subsequent growth increases of algae. Lakes without planktivorous fish would theoretically experience zooplankton population booms and subsequent decreased algae growth. These assumptions were used to describe the tropic interactions of Arco, Deming, and Josephine Lakes; three relatively similar meromictic lakes differing primarily from their absence or presence of planktivorous fish. Due to the presence of several other physical, chemical, and environmental factors that were not sampled, these assumptions did not adequately predict the relative abundances of zooplankton and algae in a lake based solely on the fish status. However, the theory did successfully predict the depth preferences of zooplankton based on the presence or absence of fish. Introduction Trophic cascades play a major role in the ecological composition of lakes. One trophic cascade model predicts that the presence or absence of piscivorous fishes will affect the presence of planktivorous fishes, zooplankton size and abundance, algal biomass, and 1 subsequent water clarity (Fig. 1) (Carpenter et al., 1987). The trophic nature of lakes also affects animal behavior, such as the distribution patterns of zooplankton as a predator avoidance technique (Loose and Dawidowicz, 1994). -
Upper Hudson Basin
UPPER HUDSON BASIN Description of the Basin The Upper Hudson Basin is the largest in New York State (NYS) in terms of size, covering all or part of 20 counties and about 7.5 million acres (11,700 square miles) from central Essex County in the northeastern part of the State, southwest to central Oneida County in north central NYS, southeast down the Hudson River corridor to the State’s eastern border, and finally terminating in Orange and Putnam Counties. The Basin includes four major hydrologic units: the Upper Hudson, the Mohawk Valley, the Lower Hudson, and the Housatonic. There are about 23,000 miles of mapped rivers and streams in this Basin (USGS Watershed Index). Major water bodies include Ashokan Reservoir, Esopus Creek, Rondout Creek, and Wallkill River (Ulster and Orange Counties) in the southern part of the Basin, Schoharie Creek (Montgomery, Greene, and Schoharie Counties) and the Mohawk River (from Oneida County to the Hudson River) in the central part of the Basin, and Great Sacandaga Lake (Fulton and Saratoga Counties), Saratoga Lake (Saratoga County), and Schroon Lake (Warren and Essex Counties) in the northern part of the Basin. This region also contains many smaller lakes, ponds, creeks, and streams encompassing thousands of acres of lentic and lotic habitat. And, of course, the landscape is dominated by one of the most culturally, economically, and ecologically important water bodies in the State of New York - the Hudson River. For hundreds of years the Hudson River has helped bolster New York State’s economy by sustaining a robust commercial fishery, by providing high value residential and commercial development, and by acting as a critical transportation link between upstate New York/New England and the ports of New York City. -
ODFW PROGRESS REPORT Series
ODFW PROGRESS REPORT Series 2019 Oregon Department of Fish and Wildlife 2018 Oregon Chub Investigations Project Numbers: LC17AC00983 (USFWS) & W9127N-14-2-0008-0005 (USACE) Oregon Department of Fish and Wildlife prohibits discrimination in all of its programs and services on the basis of race, color, national origin, age, sex, or disability. If you believe that you have been discriminated against as described above in any program, activity, or facility, or if you desire further information, please contact ADA Coordinator, Oregon Department of Fish and Wildlife, 4034 Fairview Industrial Drive SE, Salem, OR 97302; 503-947-6000. This material will be furnished in alternate format for people with disabilities if needed. Please call 541-757-4263 to request ANNUAL PROGRESS REPORT FISH RESEARCH PROJECT OREGON PROJECT TITLE: 2018 Oregon Chub Investigations PROJECT NUMBERS: LC17AC00983 (USFWS) & W9127N‐14‐2‐0008‐0005 (USACE) PROJECT PERIOD: April 2, 2018 to November 20, 2018 Prepared by: Brian L. Bangs Matthew S. Collver Michael H. Meeuwig Oregon Department of Fish and Wildlife 4034 Fairview Industrial Drive SE Salem, Oregon 97302 Contents SUMMARY ................................................................................................................................. 1 INTRODUCTION ......................................................................................................................... 2 Table 1. Frequency of sampling .................................................................................... 3 Box 1. PDM Triggers -
Part I Highlights of This Issue
WEDNESDAY, MAY 30, 1973 WASHINGTON, D.C. Volume 38 ■ Number 103 Pages 14145-14232 PART I (Part II begins on page 14217) (Part III begins on page 14229) HIGHLIGHTS OF THIS ISSUE This listing does not affect the legal status of any document published in this issue. Detailed table of contents appears inside. PRAYER FOR PEACE, MEMORIAL DAY, MAY 28, 1973— Presidential proclamation.... ....................... — ............................ 14151 PHASE III REGULATIONS— Cost of Living Council pro visions for pay adjustments subsequent to reductions in wages and salaries; effective 1—11—73..................................— 14153 COMMUNITY ACTION PROGRAMS— OEO guidelines for Legal Services to groups of indigents; effective 6-29—73.................. ...............-................................. 14170 OEO minimum qualifications for Legal Service Attorneys, effective 6—29—73..................................................................... 14171 WASTE TREATMENT— EPA proposes planning antf man agement regulations for state and local officials; comments by 7 -1 6 -7 3 .................................................................................... 14229 ALASKAN NATIVE LAND CLAIMS— Interior Department rules for settlement; effective 7—2—73...... ~......................... 14217 MINE HEALTH AND SAFETY— Interior Department interim hearing and appeal procedures, effective 5 -3 0 -7 3 ..... ........ 14170 FOOD STANDARDS— FDA proposes change in label re quirements for cold-pack cheese; comments by 7—30—73.. 14174 EMPLOYMENT OF FULL-TIME STUDENTS—