This document summarizes research on diamondback terrapin populations in Jamaica Bay over 20 years. Key findings include:
1) Adult female survival has declined at one nesting site since Hurricane Sandy but has remained stable at another site.
2) Over 15% of females exhibited major shell injuries that reduced their survival rate.
3) The populations show high site fidelity but some turtles move between sites temporarily.
4) Ongoing research uses GPS transmitters to track turtle movement patterns in real-time.
Presentation shown during Swansea University 2018/2019 Open Days to highlight research and teaching carried out at the Centre for Sustainable Aquatic Research (CSAR).
The first Open day this yesr was on the 13th of October, 2018
A talk on working in animal conservation by Claire Pipe of Twycross Zoo, UK. Delivered as part of the Careers After Biological Sciences seminar series at the University of Leicester.
(c) Claire Pipe (2008)
Presentation shown during Swansea University 2018/2019 Open Days to highlight research and teaching carried out at the Centre for Sustainable Aquatic Research (CSAR).
The first Open day this yesr was on the 13th of October, 2018
A talk on working in animal conservation by Claire Pipe of Twycross Zoo, UK. Delivered as part of the Careers After Biological Sciences seminar series at the University of Leicester.
(c) Claire Pipe (2008)
Abstract: Microplastics in fish from the KwaZulu-Natal BightMACE Lab
Authors: Sipho Mkhize (MACE Lab NRF Intern 2015), Dr Deborah Robertson-Andersson, Gan Moodley.
Submitted and accepted for the Symposium of Contemporary Conservation Symposium (SCCP) 2016.
Dave Bartz, WI DNR Fisheries Biologist, Green Lake Fish Survey 2011greenlakeassociation
Big Green Lake underwent a comprehensive fish survey beginning in spring 2011. At the 2011 GLA Annual Meeting, guest presenter Dave Bartz, WI DNR Fisheries Biologist, shared sampling techniques for collecting data on different fish species and also shared what information he hopes to gather during the survey.
This presentation explains how building the St. Lawrence Seaway and allowing ocean freighters into the Great Lakes in 1959 unleashed one of the world's worst environmental disasters.
Abstract: Microplastics in fish from the KwaZulu-Natal BightMACE Lab
Authors: Sipho Mkhize (MACE Lab NRF Intern 2015), Dr Deborah Robertson-Andersson, Gan Moodley.
Submitted and accepted for the Symposium of Contemporary Conservation Symposium (SCCP) 2016.
Dave Bartz, WI DNR Fisheries Biologist, Green Lake Fish Survey 2011greenlakeassociation
Big Green Lake underwent a comprehensive fish survey beginning in spring 2011. At the 2011 GLA Annual Meeting, guest presenter Dave Bartz, WI DNR Fisheries Biologist, shared sampling techniques for collecting data on different fish species and also shared what information he hopes to gather during the survey.
This presentation explains how building the St. Lawrence Seaway and allowing ocean freighters into the Great Lakes in 1959 unleashed one of the world's worst environmental disasters.
Freshwater Pearl Mussel (Margaritifera margaritifera): An iconic specie at th...Riffat Naz
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This PowerPoint was made for a biology class to help inform students on the Georgia Southern campus about the problems and solutions facing sea turtles and the coral reefs.
Prioritizing Data Needs to Support Migratory Fish Management and Conservation...Mekong Fish Network
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Similar to Terrapin trends in Jamaica Bay-fall 2018 Task Force Presentation (20)
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Willie Nelson Net Worth: A Journey Through Music, Movies, and Business Venturesgreendigital
Willie Nelson is a name that resonates within the world of music and entertainment. Known for his unique voice, and masterful guitar skills. and an extraordinary career spanning several decades. Nelson has become a legend in the country music scene. But, his influence extends far beyond the realm of music. with ventures in acting, writing, activism, and business. This comprehensive article delves into Willie Nelson net worth. exploring the various facets of his career that have contributed to his large fortune.
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Introduction
Willie Nelson net worth is a testament to his enduring influence and success in many fields. Born on April 29, 1933, in Abbott, Texas. Nelson's journey from a humble beginning to becoming one of the most iconic figures in American music is nothing short of inspirational. His net worth, which estimated to be around $25 million as of 2024. reflects a career that is as diverse as it is prolific.
Early Life and Musical Beginnings
Humble Origins
Willie Hugh Nelson was born during the Great Depression. a time of significant economic hardship in the United States. Raised by his grandparents. Nelson found solace and inspiration in music from an early age. His grandmother taught him to play the guitar. setting the stage for what would become an illustrious career.
First Steps in Music
Nelson's initial foray into the music industry was fraught with challenges. He moved to Nashville, Tennessee, to pursue his dreams, but success did not come . Working as a songwriter, Nelson penned hits for other artists. which helped him gain a foothold in the competitive music scene. His songwriting skills contributed to his early earnings. laying the foundation for his net worth.
Rise to Stardom
Breakthrough Albums
The 1970s marked a turning point in Willie Nelson's career. His albums "Shotgun Willie" (1973), "Red Headed Stranger" (1975). and "Stardust" (1978) received critical acclaim and commercial success. These albums not only solidified his position in the country music genre. but also introduced his music to a broader audience. The success of these albums played a crucial role in boosting Willie Nelson net worth.
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Please visit our website: https://kuddlelife.org
Our Instagram channel:
@kuddlelifefoundation
Our Linkedin Page:
https://www.linkedin.com/company/kuddlelifefoundation/
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info@kuddlelife.org
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The objective of this work is to contribute to valorization de Nephelium lappaceum by the characterization of kinetics of drying of seeds of Nephelium lappaceum. The seeds were dehydrated until a constant mass respectively in a drying oven and a microwawe oven. The temperatures and the powers of drying are respectively: 50, 60 and 70°C and 140, 280 and 420 W. The results show that the curves of drying of seeds of Nephelium lappaceum do not present a phase of constant kinetics. The coefficients of diffusion vary between 2.09.10-8 to 2.98. 10-8m-2/s in the interval of 50°C at 70°C and between 4.83×10-07 at 9.04×10-07 m-8/s for the powers going of 140 W with 420 W the relation between Arrhenius and a value of energy of activation of 16.49 kJ. mol-1 expressed the effect of the temperature on effective diffusivity.
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2. Malaclemys terrapin
● Only species of the family Emydidae
specialized to estuarine habitats
● Sexually dimorphic
○ Females from 15 to 23 cm,
Males 10 to 14 cm
● Keystone species in Jamaica Bay
○ Curbs invertebrate populations
and maintains nutrient
pathways
“your friendly neighborhood turtle”
3. Celebrating our 20th year of research!
• Aim was to study nesting behavior
and ecology of terrapins by catching
and uniquely marking individuals.
• Research
• Education
• Citizen
Science
Dr. Russell Burke and graduate student Adriana
5. 2018 was the year for two new regulations giving terrapins more
protections:
● On May 1, 2018 the NYS DEC announced “the closure of the
commercial harvest of terrapins and added the species to the list
of native turtles with no open season”.
● On March 28, 2018 DEC added regulations to “put
forth a requirement for diamondback terrapin
excluder devices on commercial and recreational
crab pots set in near shore harbors, creeks, coves,
rivers and tributaries in New York's Marine and
Coastal Districts”.
Terrapin Excluder Device (TED) on crab pot
6. “How are terrapins doing”?
What we learned about the Jamaica Bay population
after 20 years of mark-recapture work
9. Current Threats in Jamaica Bay
Habitat destruction
Marsh Loss
Coastal Storms
Predation
Recreational boats
Derelict fishing gear
Pollution
10. Captures & Recaptures
Females are PIT tagged, measured, examined for
abnormalities, and released at point of capture.
1,078 individual female terrapins marked in
Ruler’s Bar (2003-2018)
● 686 total recaptures
3,130 individuals marked in JFK (2011-2018)
• 1,015 total recaptures
11. Adult Female Survival
Ruler’s Bar Best Supported Models:
• Resident survival decreasing
from 0.92
• Female survival declined for 2
years post-Hurricane Sandy
JFK Best Supported Model:
• Resident survival constant
over time at 0.92
12. Major Injuries- Ruler’s Bar Major Injuries
• Damage to 2 or more adjacent costal or
vertebral scutes
• Damage to 3 or more adjacent marginal
scutes
• Missing limbs
• Dislocated limb bones
2.9%
15.6%
17%
17.8% of females in Ruler’s Bar
exhibited major injuries (2009-2018)
• Predominantly shell damage
13. Major Injuries- Ruler’s Bar
17% of females in Ruler’s Bar
exhibited major injuries (2009-2018)
• Predominantly shell damage
Survival is lower after major injuries
• Persistent infection
• Increased vulnerability to
predators
• Survival of females with little to no injuries: 0.92
• Survival of females with major injuries: 0.88
14. Female Terrapin first found in 2011 Same exact female found again in 2018!
But...Major Injuries can heal!
17. Population Movement
Diamondback terrapins exhibit site fidelity
• Minimal interchange between populations
• 11 individuals found in both locations
Evidence of transient individuals found in both Ruler’s Bar and JFK
• 17% of newly tagged terrapins in RB
• 27% of newly tagged terrapins in JFK
Temporary emigrants?
What are their movement patterns?
18. Next Steps:
Tracking turtles in real-time using GPS transmitters
● Deployed 9 total units this past August
Charging up via solar power.
Relay tower installed at Littoral Society HeadquartersTerrapin model tests fit on to shell
19. Questions?
Thank You!
Link to our website at: http://jbtr.org/
Link to our Facebook Page at:
Jamaica Bay Terrapin Research and Conservation
https://www.facebook.com/groups/92834779554/Photo credits: Don Riepe, Peter Hyung Yoon & Dexter Raphael
jbtr.org website was created by:nexxite.com
