Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Conservation of Declining Populations02:07

Conservation of Declining Populations

13.5K
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
13.5K
Conservation of Small Populations02:04

Conservation of Small Populations

17.6K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
17.6K
Habitat Fragmentation02:31

Habitat Fragmentation

21.7K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
21.7K
Threats to Biodiversity01:50

Threats to Biodiversity

27.6K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
27.6K
What is Conservation Biology?01:57

What is Conservation Biology?

24.6K
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
24.6K
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

549
In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs...
549

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A National-Scale Assessment of Bare-Nosed Wombat (<i>Vombatus ursinus</i>) Distribution Patterns, Using Multisource Data.

Ecology and evolution·2026
Same author

Evolution of Placentation in Eugongylini (Squamata: Scincidae): Ontogeny of Extraembryonic Membranes in Oviparous and Viviparous Species of New Zealand.

Journal of morphology·2024
Same author

Different Genes are Recruited During Convergent Evolution of Pregnancy and the Placenta.

Molecular biology and evolution·2022
Same author

Structure and permeability of the egg capsule of the placental Australian sharpnose shark, Rhizoprionodon taylori.

Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology·2022
Same author

Understanding the evolution of viviparity using intraspecific variation in reproductive mode and transitional forms of pregnancy.

Biological reviews of the Cambridge Philosophical Society·2022
Same author

Uterine cellular changes during mammalian pregnancy and the evolution of placentation†.

Biology of reproduction·2021

Related Experiment Video

Updated: Mar 6, 2026

Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals
08:28

Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals

Published on: November 6, 2016

7.1K

Critically evaluating best management practices for preventing freshwater turtle extinctions.

R-J Spencer1, J U Van Dyke1, Michael B Thompson2

  • 1School of Science and Health, Hawkesbury Institute for the Environment, Western Sydney University, Building M15, Hawkesbury Campus, Locked Bag 1797, Penrith, NSW 2751, Australia.

Conservation Biology : the Journal of the Society for Conservation Biology
|March 21, 2017
PubMed
Summary

Headstarting, or captive rearing, is crucial for freshwater turtle conservation. This method, alongside managing threats like roadkill and fox predation, effectively prevents extinction and promotes population growth.

Keywords:
AustraliaChelodina longicollisconservación ex situdepredadores invasoresex situ conservationfoxesharvest populationsheadstartinginicio con ventajainvasive predatorsmortalidad en carreteraspoblaciones de cosecharoad mortalityzorros

More Related Videos

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.7K
At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques
07:10

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

Published on: February 11, 2020

7.7K

Related Experiment Videos

Last Updated: Mar 6, 2026

Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals
08:28

Using Pharmacological Manipulation and High-precision Radio Telemetry to Study the Spatial Cognition in Free-ranging Animals

Published on: November 6, 2016

7.1K
Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status
13:18

Data Collection on Marine Litter Ingestion in Sea Turtles and Thresholds for Good Environmental Status

Published on: May 18, 2019

12.7K
At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques
07:10

At-Risk Butterfly Captive Propagation Programs to Enhance Life History Knowledge and Effective Ex Situ Conservation Techniques

Published on: February 11, 2020

7.7K

Area of Science:

  • Ecology
  • Conservation Biology
  • Wildlife Management

Background:

  • Ex situ conservation, including captive breeding, is a last resort for threatened species.
  • Headstarting (captive rearing for release) addresses symptoms but can manage multiple threats.
  • Freshwater turtles face increasing anthropogenic threats like roadkill and nest predation.

Purpose of the Study:

  • To assess the impact of adult roadkill and reduced recruitment on freshwater turtle populations.
  • To model the effectiveness of headstarting, fox management, and road mortality reduction strategies.
  • To determine optimal conservation approaches for threatened freshwater turtle species.

Main Methods:

  • Population viability analysis (PVA) was conducted for Chelodina longicollis.
  • Scenarios modeled included headstarting, fox control, and road mortality reduction.
  • The study analyzed the effects of increased adult mortality and reduced recruitment.

Main Results:

  • Headstarting from source populations eliminated extinction risks and enabled population growth.
  • A 2% increase in adult mortality significantly impacted population growth and extinction risk.
  • Addressing only adult female mortality was insufficient when recruitment was also threatened.

Conclusions:

  • Headstarting should be a primary conservation tool for freshwater turtles facing multi-stage threats.
  • Establishing source populations for headstarting is vital for species recovery.
  • Conservation strategies must address cumulative impacts across multiple life-history stages.