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Barriers to Fish Passage in Nova Scotia the Evolution of Water Control Barriers in Nova Scotia’S Watershed
Dalhousie University- Environmental Science Barriers to Fish Passage in Nova Scotia The Evolution of Water Control Barriers in Nova Scotia’s Watershed By: Gillian Fielding Supervisor: Shannon Sterling Submitted for ENVS 4901- Environmental Science Honours Abstract Loss of connectivity throughout river systems is one of the most serious effects dams impose on migrating fish species. I examine the extent and dates of aquatic habitat loss due to dam construction in two key salmon regions in Nova Scotia: Inner Bay of Fundy (IBoF) and the Southern Uplands (SU). This work is possible due to the recent progress in the water control structure inventory for the province of Nova Scotia (NSWCD) by Nova Scotia Environment. Findings indicate that 586 dams have been documented in the NSWCD inventory for the entire province. The most common main purpose of dams built throughout Nova Scotia is for hydropower production (21%) and only 14% of dams in the database contain associated fish passage technology. Findings indicate that the SU is impacted by 279 dams, resulting in an upstream habitat loss of 3,008 km of stream length, equivalent to 9.28% of the total stream length within the SU. The most extensive amount of loss occurred from 1920-1930. The IBoF was found to have 131 dams resulting in an upstream habitat loss of 1, 299 km of stream length, equivalent to 7.1% of total stream length. The most extensive amount of upstream habitat loss occurred from 1930-1940. I also examined if given what I have learned about the locations and dates of dam installations, are existent fish population data sufficient to assess the impacts of dams on the IBoF and SU Atlantic salmon populations in Nova Scotia? Results indicate that dams have caused a widespread upstream loss of freshwater habitat in Nova Scotia howeverfish population data do not exist to examine the direct impact of dam construction on the IBoF and SU Atlantic salmon populations in Nova Scotia. -
Based Circulation Model for the Mid-Atlantic Bight and Gulf of Maine: Configuration and Comparison to Integrated Coastal Observing Network Observations
Geosci. Model Dev., 13, 3709–3729, 2020 https://doi.org/10.5194/gmd-13-3709-2020 © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. Doppio – a ROMS (v3.6)-based circulation model for the Mid-Atlantic Bight and Gulf of Maine: configuration and comparison to integrated coastal observing network observations Alexander G. López, John L. Wilkin, and Julia C. Levin Department of Marine and Coastal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, United States of America Correspondence: Alexander G. López ([email protected]) Received: 20 December 2019 – Discussion started: 4 March 2020 Revised: 16 June 2020 – Accepted: 8 July 2020 – Published: 24 August 2020 Abstract. We describe “Doppio”, a ROMS-based (Regional sediments, or pollutants. The reduced geographic scope of Ocean Modeling System) model of the Mid-Atlantic Bight a regional model offers economies in computational effort and Gulf of Maine regions of the northwestern North Atlantic that allow much greater experimentation than would be pos- developed in anticipation of future applications to biogeo- sible with global models alone, such as by examining sen- chemical cycling, ecosystems, estuarine downscaling, and sitivity to resolution or parameterization of added physics, near-real-time forecasting. This free-running regional model and they present the opportunity to affordably explore nu- is introduced with circulation simulations covering 2007– merous application scenarios. Here we describe the develop- 2017. The ROMS configuration choices for the model are ment, evaluation, and application of a regional model of the detailed, and the forcing and boundary data choices are de- northeastern continental shelf of North America from Cape scribed and explained. -
Rethinking Responses to Coastal Problems: an Analysis of the Opportunities and Constraints for Canada
RETHINKING RESPONSES TO COASTAL PROBLEMS: AN ANALYSIS OF THE OPPORTUNITIES AND CONSTRAINTS FOR CANADA by Colleen S. L. Mercer Clarke Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy at Dalhousie University Halifax, Nova Scotia June 2010 © Copyright by Colleen S. L. Mercer Clarke, 2010 DALHOUSIE UNIVERSITY INTERDISCIPLINARY PHD PROGRAM The undersigned hereby certify that they have read and recommend to the Faculty of Graduate Studies for acceptance a thesis entitled “RETHINKING RESPONSES TO COASTAL PROBLEMS: AN ANALYSIS OF THE OPPORTUNITIES AND CONSTRAINTS FOR CANADA” by Colleen S. L. Mercer Clarke in partial fulfillment of the requirements for the degree of Doctor of Philosophy. Dated: June 4, 2010 Supervisor: _________________________________ Supervisor: _________________________________ Readers: _________________________________ _________________________________ _________________________________ ii DALHOUSIE UNIVERSITY DATE: 4 June 2010 AUTHOR: Colleen S. L. Mercer Clarke TITLE: RETHINKING RESPONSES TO COASTAL PROBLEMS: AN ANALYSIS OF THE OPPORTUNITIES AND CONSTRAINTS FOR CANADA DEPARTMENT OR SCHOOL: Interdisciplinary PhD Program DEGREE: PhD. CONVOCATION: October YEAR: 2010 Permission is herewith granted to Dalhousie University to circulate and to have copied for non-commercial purposes, at its discretion, the above title upon the request of individuals or institutions. _______________________________ Signature of Author The author reserves other publication rights, and neither the thesis nor extensive extracts from it may be printed or otherwise reproduced without the author‟s written permission. The author attests that permission has been obtained for the use of any copyrighted material appearing in the thesis (other than the brief excerpts requiring only proper acknowledgement in scholarly writing), and that all such use is clearly acknowledged. -
A Review of Ice and Tide Observations in the Bay of Fundy
A tlantic Geology 195 A review of ice and tide observations in the Bay of Fundy ConDesplanque1 and David J. Mossman2 127 Harding Avenue, Amherst, Nova Scotia B4H 2A8, Canada departm ent of Physics, Engineering and Geoscience, Mount Allison University, 67 York Street, Sackville, New Brunswick E4L 1E6, Canada Date Received April 27, 1998 Date Accepted December 15,1998 Vigorous quasi-equilibrium conditions characterize interactions between land and sea in macrotidal regions. Ephemeral on the scale of geologic time, estuaries around the Bay of Fundy progressively infill with sediments as eustatic sea level rises, forcing fringing salt marshes to form and reform at successively higher levels. Although closely linked to a regime of tides with large amplitude and strong tidal currents, salt marshes near the Bay of Fundy rarely experience overflow. Built up to a level about 1.2 m lower than the highest astronomical tide, only very large tides are able to cover the marshes with a significant depth of water. Peak tides arrive in sets at periods of 7 months, 4.53 years and 18.03 years. Consequently, for months on end, no tidal flooding of the marshes occurs. Most salt marshes are raised to the level of the average tide of the 18-year cycle. The number of tides that can exceed a certain elevation in any given year depends on whether the three main tide-generating factors peak at the same time. Marigrams constructed for the Shubenacadie and Cornwallis river estuaries, Nova Scotia, illustrate how the estuarine tidal wave is reshaped over its course, to form bores, and varies in its sediment-carrying and erosional capacity as a result of changing water-surface gradients. -
Dear Supervisors- Attached Please Find Our Letter of Opposition to the SCA Ordinance for Sleepy Hollow As Drafted by Our Attorne
From: Andrea Taber To: Rice, Katie; Kinsey, Steven; Adams, Susan; Arnold, Judy; Sears, Kathrin Cc: Dan Stein; Thorsen, Suzanne; Lai, Thomas Subject: Sleepy Hollow Homeowners Association Letter of Oppostion to the SCA Ordinance Date: Wednesday, May 22, 2013 8:12:53 PM Attachments: Document4.docx Dear Supervisors- Attached please find our letter of opposition to the SCA Ordinance for Sleepy Hollow as drafted by our attorney Neil Moran of Freitas McCarthy MacMahon & Keating, LLP. Sleepy Hollow Homeowners Association May 3, 2013 Board of Supervisors of Marin County 3501 Civil Center Drive San Rafael, CA 94903-4157 Re: Stream Conservation Area (SCA) Proposed Amendments to the Development Code Honorable Members of the Board of Supervisors: INTRODUCTION The Sleepy Hollow Homes Association (SHHA) objects to the proposed changes to Chapters 22.33 (Stream Protection) and 22.63 (Stream Conservation Area Permit) as they would apply to the residents of the unincorporated portion of San Anselmo known as Sleepy Hollow. We ask that the County exempt and/or delay implementation of any changes to Chapters 22.33 and 22.63 as to the city-centered corridor streams, including Sleepy Hollow. The SHHA supports implementation of the proposed amendments to the San Geronimo Valley, to protect wildlife habitat in streams where Coho Salmon currently exist. The SHHA supports regulations to ensure the health and survival of the species in these areas. The SHHA recognizes the urgency of this matter to the San Geronimo Valley, both for the survival of the endangered and declining Coho population and for the property rights of the affected residents who are currently subject to a building moratorium. -
Minas Basin, N.S
An examination of the population characteristics, movement patterns, and recreational fishing of striped bass (Morone saxatilis) in Minas Basin, N.S. during summer 2008 Report prepared for Minas Basin Pulp and Power Co. Ltd. Contributors: Jeremy E. Broome, Anna M. Redden, Michael J. Dadswell, Don Stewart and Karen Vaudry Acadia Center for Estuarine Research Acadia University Wolfville, NS B4P 2R6 June 2009 2 Executive Summary This striped bass study was initiated because of the known presence of both Shubenacadie River origin and migrant USA striped bass in the Minas Basin, the “threatened” species COSEWIC designation, the existence of a strong recreational fishery, and the potential for impacts on the population due to the operation of in- stream tidal energy technology in the area. Striped bass were sampled from Minas Basin through angling creel census during summer 2008. In total, 574 striped bass were sampled for length, weight, scales, and tissue. In addition, 529 were tagged with individually numbered spaghetti tags. Striped bass ranged in length from 20.7-90.6cm FL, with a mean fork length of 40.5cm. Data from FL(cm) and Wt(Kg) measurements determined a weight-length relationship: LOG(Wt) = 3.30LOG(FL)-5.58. Age frequency showed a range from 1-11 years. The mean age was 4.3 years, with 75% of bass sampled being within the Age 2-4 year class. Total mortality (Z) was estimated to be 0.60. Angling effort totalling 1732 rod hours was recorded from June to October, 2008, with an average 7 anglers fishing per tide. Catch per unit effort (Fish/Rod Hour) was determined to be 0.35, with peak landing periods indicating a relationship with the lunar cycle. -
Populations, Movements and Seasonal Distribution of Mergansers
F y F Environment Canada Environnement Canada Wildlife Service Service de la Faune Population s9 movements and seasonal distribution of mergansers in northern Cape Breton Island by A. J. Erskine Canadian Wildlife Service Report Series-Number 17 Issued under the authority of the Honourable Jack Davis, P.C., M.P. Minister of the Environment John S. Tener, Director Canadian Wildlife Service ©Crown Copyrights reserved Available by mail from Information Canada, Ottawa, and at the following Information Canada bookshops: Halifax 1735 Barrington Street Montreal 1182 St. Catherine Street West Ottawa 171 Slater Street Toronto 221 Yonge Street Winnipeg 393 Portage Avenue Vancouver 657 Granville Street or through your bookseller Price $1.00 Catalogue No. CW65-8/17 Price subject to change without notice Information Canada, Ottawa, 1972 Design: Gottschalk+Ash Ltd. Cover photo by Norman R. Lightfoot Contents 7 Acknowledgements 8 Perspective 9 Abstract 9 Resume 11 Introduction 13 The study area 15 Methods 15 Assessment of merganser populations 17 Banding and associated studies 17 Results 17 Seasonal chronology within study area 20 Movements of mergansers shoivn by band recoveries 22 Merganser populations in northern Cape Breton Island 22 The Margaree River system 25 Other river systems and Lake Ainslie 26 Discussion 26 Seasonal chronology 28 Movements shown by band recoveries 28 Merganser populations 28 77ie Margaree River system 30 Other river systems and Lake Ainslie 31 The aftermath of merganser shooting 32 Literature cited 33 Appendices 5 List of tables List of appendices List of figures 1. Numbers of recoveries in 1957-69, by 1. Winter counts of mergansers, 1960-64, 1. -
American Eel Anguilla Rostrata
COSEWIC Assessment and Status Report on the American Eel Anguilla rostrata in Canada SPECIAL CONCERN 2006 COSEWIC COSEPAC COMMITTEE ON THE STATUS OF COMITÉ SUR LA SITUATION ENDANGERED WILDLIFE DES ESPÈCES EN PÉRIL IN CANADA AU CANADA COSEWIC status reports are working documents used in assigning the status of wildlife species suspected of being at risk. This report may be cited as follows: COSEWIC 2006. COSEWIC assessment and status report on the American eel Anguilla rostrata in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. x + 71 pp. (www.sararegistry.gc.ca/status/status_e.cfm). Production note: COSEWIC would like to acknowledge V. Tremblay, D.K. Cairns, F. Caron, J.M. Casselman, and N.E. Mandrak for writing the status report on the American eel Anguilla rostrata in Canada, overseen and edited by Robert Campbell, Co-chair (Freshwater Fishes) COSEWIC Freshwater Fishes Species Specialist Subcommittee. Funding for this report was provided by Environment Canada. For additional copies contact: COSEWIC Secretariat c/o Canadian Wildlife Service Environment Canada Ottawa, ON K1A 0H3 Tel.: (819) 997-4991 / (819) 953-3215 Fax: (819) 994-3684 E-mail: COSEWIC/[email protected] http://www.cosewic.gc.ca Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur l’anguille d'Amérique (Anguilla rostrata) au Canada. Cover illustration: American eel — (Lesueur 1817). From Scott and Crossman (1973) by permission. ©Her Majesty the Queen in Right of Canada 2004 Catalogue No. CW69-14/458-2006E-PDF ISBN 0-662-43225-8 Recycled paper COSEWIC Assessment Summary Assessment Summary – April 2006 Common name American eel Scientific name Anguilla rostrata Status Special Concern Reason for designation Indicators of the status of the total Canadian component of this species are not available. -
Offshore/ Continental Shelf
................ ............................ ... PAGE 227... Offshore/ Continental Shelf 68' 67' 66 56' 48 65 64 63 62 "7' 47• a,_L~so ~~ ~ 46' 45' .... 45' 44' t----1-=...~ ~-r ·.. I "--,- 1· I 44' 43' L_~ L.-----1 43' 42' r----\. I I h~ / L I I 42' ---+ - . I I .,c::;{§)r- 7 · I I 41 ° r f ......~ fUI IUII:JIIVIII;Jllflf:l l , /"1f''' I __, 41 ' ) \ -J:J----+--- ""' .I f 40' - 40' 68' 67' 66' --.L... 65 57' 55• 55' 54' 64 63 62 61 60' 59' 58' Figure 30: Region 900, Offshore/Continental Shelf, and its component Districts, Units. and sub-Units. Theme Regions: Natural History of Nova Scotia, Vo lume II PAGE • • •• 0 • 0 • • • 0 •••• • •••• 0 . 0 •• 0 0 • • ••• 0 • ••• 0 ••• 0 • • 0 •• • • • 0 0 0 228 900 OFFSHORE/ CONTINENTAL SHELF The following physiographic features are the basis fo r form ations on the adjacent lan d. Areas of complex the d ivision of the Districts of Region 900: geology may have different subtidal bedrock than on • District 910, Inner Shelf, is a zone of gradually the coast. Patterns and variations of bed rock geology sloping bottom adjacen t to sho re and extending are not as easily identified in the offshore but are to depths of about II 0 metres in all areas probably as varied as on land. • District 920, Middle Shelf, is a zone of fi shing Four major geological or bedrock u nits are repre banks and deep basins in the mid-portions of sented: (l) the Acadian Basin, an area of Triassic the continental shelf and includes the Scotian rocks in tl1e Bay of Fundy and northern Gulf of Shelf and the Gulf of Maine Maine, -
475 Ethics Ordinance List As of July 2011
475 Ethics Ordinance List as of July 2011 CITY OF CHICAGO 475 Ethics Ordinance List of Vendors who have received from City of Chicago payments totaling $10,000 or more in any 12 consecutive months period over the past four reporting years VENDOR NAME VENDOR ADDRESS "READING IN MOTION" 65 E WACKER DR 1800 EFT, CHICAGO, IL 60601 1-800 CONFERENCE 1051 E WOODFIELD RD, CHICAGO, IL 60617 100 BLACK MEN OF CHICAGO INC 3473 S DR MARTIN LUTHER KING JR DR, CHICAGO, IL 60616 100 CLUB OF CHICAGO 30 N. LASALLE SUITE 3400, CHICAGO, IL 60602 1020 BUILDING PARTNERSHIP C/O DON GARFIELD, 9420 S. STONEY ISLAND AVE, CHICAGO, IL 60617 108 N. STATE RETAIL LLC 33 S STATE ST STE 400, CHICAGO, IL 60603 1101 WEST MONROE LLC TRESSLER,SODERSTORM,MALONEY,PR, 233 S WACKER DR FL 22ND, CHICAGO, IL 60606 1240 SOUTH WABASH CORP 2901 WEST ESTES, CHICAGO, IL 60645 1300 N STATE PKWY LLC 1300 N STATE PKWY, CHICAGO, IL 60610 1301 NORTH ELSTON LLC MCGRATH LEXUS, 1250 W DIVISION STREET, CHICAGO, IL 60642 1319 S SPAULDING LLC OR CHICAGO TITLE INSURANCE ACCT#029036254-002, CHICAGO, IL 60601 1401 STATE LLC 2603 W 22ND ST S#22, OAKBROOK, IL 60523 1430 W. IRVING PARK, II LLC. 5479 NORTH MILWAUKEE, CHICAGO, IL 60613 1454 S MICHIGAN LLC 1525 W HOMER S#401, CHICAGO, IL 60642 14TH PLACE LLC 5110 SAN FELIPE ST UNIT 304W, HOUSTON, TX 77056-3670 1531 ACQUISTION CO LLC 1531 N DAMEN, CHICAGO, IL 60622 1607 W. HOWARD LLC 4355 N RAVENSWOOD AVE, 4355 N RAVENSWOOD AVE, CHICAGO, IL 60613 1615 WABASH LLC 1525 W HOMER ST # 401, CHICAGO, IL 60622 1641 LLC 1 N BISHOP ST, CHICAGO, IL 60607 1740-54 WEST NORTH SHORE LLC 2636-2640 N LINCOLN AVE, CHICAGO, IL 60614 18TH STREET. -
Nova Scotia Inland Water Boundaries Item River, Stream Or Brook
SCHEDULE II 1. (Subsection 2(1)) Nova Scotia inland water boundaries Item River, Stream or Brook Boundary or Reference Point Annapolis County 1. Annapolis River The highway bridge on Queen Street in Bridgetown. 2. Moose River The Highway 1 bridge. Antigonish County 3. Monastery Brook The Highway 104 bridge. 4. Pomquet River The CN Railway bridge. 5. Rights River The CN Railway bridge east of Antigonish. 6. South River The Highway 104 bridge. 7. Tracadie River The Highway 104 bridge. 8. West River The CN Railway bridge east of Antigonish. Cape Breton County 9. Catalone River The highway bridge at Catalone. 10. Fifes Brook (Aconi Brook) The highway bridge at Mill Pond. 11. Gerratt Brook (Gerards Brook) The highway bridge at Victoria Bridge. 12. Mira River The Highway 1 bridge. 13. Six Mile Brook (Lorraine The first bridge upstream from Big Lorraine Harbour. Brook) 14. Sydney River The Sysco Dam at Sydney River. Colchester County 15. Bass River The highway bridge at Bass River. 16. Chiganois River The Highway 2 bridge. 17. Debert River The confluence of the Folly and Debert Rivers. 18. Economy River The highway bridge at Economy. 19. Folly River The confluence of the Debert and Folly Rivers. 20. French River The Highway 6 bridge. 21. Great Village River The aboiteau at the dyke. 22. North River The confluence of the Salmon and North Rivers. 23. Portapique River The highway bridge at Portapique. 24. Salmon River The confluence of the North and Salmon Rivers. 25. Stewiacke River The highway bridge at Stewiacke. 26. Waughs River The Highway 6 bridge. -
Riparian Buffer Removal and Associated Land Use in the Sackville River Watershed, Nova Scotia, Canada
Riparian Buffer Removal and Associated Land Use in the Sackville River Watershed, Nova Scotia, Canada Submitted for ENVS 4901/4902 - Honours April 5, 2010 Supervisor: Shannon Sterling By Emily Rideout 0 Abstract “To what extent has riparian area been removed in the Sackville River watershed and what land uses are associated with this riparian area removal?” I investigate this question by assessing the extent of riparian area removal in the Sackville River watershed north of Halifax and characterizing each riparian impact zone with the neighbouring land use. Stream, lake and road data and air photographs are used in Geographic Information Systems (GIS) to document the degree of riparian area removal and the land uses associated with the riparian area (agriculture, industry, forestry, residential etc). I consider the riparian area to be a 20m zone extending from the water body’s edge. Over 143km of streams are assessed and all streams are broken down into reaches of discrete lengths based on riparian impact and land use category. Four qualitative indicators of riparian removal are used: Severe, Moderate, Low and Intact. The length of every reach as well as the degree of impact and associated land use are calculated using the summary statistics function in GIS. I found that one third of the total riparian area length is missing up to 50% of its vegetation and that residential, transportation and energy infrastructure were the leading drivers of this riparian buffer removal. I present a map of impacted riparian “hot spots” that will highlight the areas in which riparian area removal is the most severe as well as summaries of the land uses most associated with the greatest degree of riparian vegetation removal.