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Dr. Jerrold Belant Named IUCN Voting Member

November 9, 2020

Dr. Jerrold Belant


This press release was published by ESF Communications and Marketing.
https://www.esf.edu/communications/view2.asp?newsID=8812


Dr. Jerrold Belant, Camp Fire Conservation Fund professor and director of ESF’s recently formed Global Wildlife Conservation Center (GWCC), was named a voting member of the International Union for Conservation of Nature (IUCN).

The IUCN is the most influential international organization working in the field of nature conservation and sustainable use of natural resources. It is involved in data gathering and analysis, research, field projects, advocacy and education.

“My ability to serve as a voting member of this organization on behalf of ESF and the GWCC will allow us to more effectively address urgent conservation challenges, helping to ensure environmental integrity and sustainable use of our natural resources now and in the future” wrote Belant in an email.

Belant has been involved in several international conservation organizations, including current membership in IUCN’s Species Survival Commission and former chair of their Small Carnivore Specialist Group. He also served as an organizational member of the International Federation of Mammalogists and board member of the International Association for Bear Research and Management.

Belant has participated on the editorial boards of numerous journals, and currently is an Editorial Board member for Bioscience. He has received more than $15 million in external grants, co-edited three books, and along with his students and collaborators, published almost 300 peer-reviewed articles. He has conducted or participated in several global conservation assessments, including human-caused mortality of the world’s terrestrial animals and how human development has influenced animal movements. At present, he is working to assess the response of wildlife worldwide to COVID-19, global trade in threatened species, and assessing the effectiveness of IUCN’s approach for assessing suitable habitat for species.

IUCN members meet every four years at the World Conservation Congress to adopt the IUCN program and budget for the Union, establish the mandates for its commissions, elect the councillors and chairs of the commissions, and adopt policy directives.

Filed Under: Camp Fire Program

Humans not directly responsible for North American reptile deaths

January 15, 2020

A long-nosed leopard lizard (Gambelia wislizenii) appears in Arches National Monument. ©gilaman
A long-nosed leopard lizard (Gambelia wislizenii) appears in Arches National Monument. ©gilaman

This story was published by Joshua Rapp Learn at The Wildlife Society.
https://wildlife.org/humans-not-directly-responsible-for-north-american-reptile-deaths/


Humans aren’t directly to blame for most North American reptile deaths, according to a large new meta-study that examines a host of research in the United States and Canada.

But they are likely still having an indirect effect on reptile deaths by introducing invasive species and climate change.

“We found that there wasn’t much of an impact of human footprint on reptile mortality. Most of the mortality was from natural causes than human causes,” said Jacob Hill a postdoctoral researcher in wildlife conservation at the State University of New York College of Environmental Science and Forestry and lead author of a new study published in Acta Oecologica.

The study is part of a larger examination using meta-analysis of other research to find the principle causes of death of birds, mammals and amphibians. For this study, Hill and his co-authors focused on reptile mortality.

They looked at 57 studies that tracked reptile populations through GPS devices or other means. The bulk of the reptile populations tracked in the U.S. and Canada were turtles and snakes. The team divided reptile deaths into different categories. Natural death categories included disease, starvation and predation, while human-caused deaths included categories such as directly killing reptiles for harvest, because they were perceived as a threat and vehicle collisions.

They found that 78% of the mortalities occurred due to natural causes while only 22% occurred directly from humans.

Of the direct causes, most reptiles were killed by vehicles. This is likely due to the species’ tendencies to bask on roads and highways, the researchers said. The primary defense turtles use — retreating into their shells — doesn’t work well against cars, Hill said, and snakes — especially venomous ones — don’t typically feel threatened by much at all, and they get hit when they refuse to give up ground to vehicles.

“[Vehicles] can be problematic for reptiles. They have a lot of traits’ that make them very susceptible,” Hill said.

The number of deaths from vehicle collisions didn’t necessarily go up in areas of higher human activity. This suggests that roadkill deaths are more likely due to reptile behavior than an increase in human population, he said.

The causes of reptile deaths differed greatly from the study they did on mammals, which include game species. Those species are often hunted and harvested more than reptile species.

The data in their study didn’t necessarily reflect the whole story of human impact on species, Hill cautions, since humans can indirectly cause reptile deaths by introducing invasive species that prey on them. This could be especially a problem since predation is the highest natural cause of death, according to the study. Climate change or habitat loss can also drive reptiles into marginal environments that can lower their overall survival rate.


Joshua Rapp Learn is a science writer at The Wildlife Society. Contact him at jlearn@wildlife.org with any questions or comments about his article.
Read more of Joshua’s articles.

Filed Under: Camp Fire Program, Uncategorized

Camp Fire Lab Finds Group Formation and Territorial Aggression of New Isle Wolves

December 20, 2019

Wolf movements
GPS locations and home ranges of W001F, W007M, and W013M who have traveled together since March 2019 and W004F that was killed due to territorial aggression.

The National Park Service (NPS) and research partners from the State University of New York – College of Environmental Science and Forestry (SUNY-ESF) are using data from GPS collars on introduced wolves to monitor associations between individuals and identify possible pack formation. As researchers and NPS staff anticipated, new wolves immediately began interacting with each other. Researchers confirmed introduced wolves were feeding, traveling, sleeping in proximity to each other, and forming groups.

A wolf ‘group’ is characterized by two or more wolves traveling and feeding together. Wolf groups are further defined as a ‘pack’ if groups of two or more wolves are traveling together and/or defending a territory, and if a breeding pair reproduces.  Individual preferences for mating and group or pack formation can be quite variable for a social animal like the wolf. Mate selection and pair bond formation can occur at any time, but wolves only breed and produce pups once per year. Consequently, pack formation can take time. Based on these definitions, there are currently no wolf packs on Isle Royale.

GPS collar data shows three wolves, 1 female and 2 males, have been traveling, feeding, and bedding together since March, 2019 (W001F, W007M, and W013M).  This is the first wolf group to form and remain associated since introduction efforts began. Additionally, two male wolves shared bed sites and carcasses over the summer with several different female wolves, but their associations lack consistency and are currently not defined as wolf groups. Two female wolves shared bed site areas over the summer (July), but are also not considered a group.  Loose associations are common when smaller prey items like moose calves, beaver and snowshoe hare are abundant on the landscape. These animals are easy prey for a single wolf.

Dr. Jerry Belant, Campfire Conservation Fund Professor at SUNY-ESF and project collaborator added “Wolves are a highly social species and we continue to monitor their movements to document groups, and ultimately pack formations as demonstrated by reproduction.  We developed a public online tool, https://belantlab.shinyapps.io/wolf-networks/ based on these analyses to understand potential associations among these wolves and the areas they occupy.”

Researchers monitoring the GPS collar signals identified two wolf mortality events this fall.  In September, researchers and NPS staff detected a mortality signal and recovered the remains of female W004F. Field evidence and subsequent necropsy at the U.S. Geological Survey National Wildlife Health Center in Madison, WI, determined W004F died from wounds caused by another wolf or wolves. In October just prior to island closing, NPS staff came across the remains of male wolf, M183, one of the two remaining uncollared resident wolves inhabiting Isle Royale prior to introduction efforts. Necropsy revealed that M183 had also been killed by another wolf or wolves. These events are not uncommon as wolves defend and establish their territories and social hierarchy. With many wolves on the island sorting out their relationships with one another, the dynamic nature of wolf social organization, territoriality, and wolf-on-wolf aggression during group and pack formation is not unexpected.

“With the death of the island-born male, travel patterns of the remaining wolves are likely to change significantly, and probably dependent on whether or not the island-born female is still alive, whether she is territorial and how she gets along with the newcomers, both males and females.  She is the final native wolf, never radio-collared, and searching for her will be a priority during the upcoming winter study.” commented Rolf Peterson, a research professor at Michigan Technological University and long-time wolf and moose investigator on Isle Royale.

Summer wolf location cluster investigations documented 122 instances of two or more wolves with overlapping space use. Twenty-nine cases (23.8%) of space use overlap were associated with prey remains and feeding behavior, 68% were associated with bed sites, and wolf use for the remaining 7.4% of sites was unknown or could not be determined.

Researchers continue to monitor location data weekly for evidence the three newest wolves, released on the island in September, are adjusting to their new homes, interacting and forming associations. These wolves are interacting with each other (W017M and W018F were traveling together in late November) and with the wolves released last spring (W018F and W016M traveled together in early November).

NPS and its collaborators will continue to monitor the interactions, group formation, and genetic diversity of new wolves over winter and spring to document breeding (January/February) and denning (April/May) activity in Isle Royale’s wolf population. Closely monitoring social organization will provide insights into the genetic health of the population.  The NPS has partnered with Dr. Kristin Brzeski, wildlife geneticist at MTU, to sequence the Isle Royale wolf genome for long-term monitoring of genetic health of the population.

“We have a unique opportunity to look simultaneously at the past and future of Isle Royale wolves’ genetic health. With the death of M183, we can now more fully understand how genetic isolation and inbreeding impacted the historic wolf population and use that to better monitor the new founders. This is an exciting time and we will be using cutting-edge genetic tools to track reproduction, inbreeding, and genetic change through time, hopefully providing a piece of the puzzle for maintaining a thriving Isle Royale wolf population,” said Dr. Brzeski.

Multiple lines of investigations regarding this population will help the NPS evaluate the success of the project over the next few years. “We are using everything we can in our toolbox to track how this population interacts with each other, prey and the landscape.  We’ll continue to learn as much as we can moving forward to help with the decision to add wolves as needed to meet project objectives and document ecosystem effects.” stated Mark Romanski, the NPS project coordinator and Division Chief of Natural Resources at Isle Royale.

The current population includes 7 females and 8 males. All introduced wolves are from the Great Lakes Region, translocated from northeastern Minnesota (W001F), the Upper Peninsula of Michigan (W017M, W018F, W019M), mainland Ontario, Canada (W005F, W016M), and Michipicoten Island in northeastern Lake Superior, Ontario, Canada (W007M, W009M, W010M, W011F, W012M, W013M, W014F and W015F).

 

This story was first published as a National Park Service press release.

Filed Under: Camp Fire Program, Isle Royale Wolf Study

Isle Royale Wolf Project Researchers Document Summer Predation

December 3, 2019

The National Park Service (NPS) in collaboration with the State University of New York – College of Environmental Science and Forestry (SUNY-ESF) concluded summer predation monitoring by the wolves introduced to the Isle Royale ecosystem in the fall of 2018 and winter of 2019. This marks the first time wolf predation has been monitored on Isle Royale during snow-free periods. The monitoring effort utilized the most recent advances in the study of wolf predation patterns.

Park staff and research partners from SUNY-ESF used GPS data from collars on the introduced wolves to identify “clusters” of locations that signified areas where wolves spent extended periods of time. Between May and October, field crews visited 381 of these sites, determined wolf behavior associated with site use, and located the remains of 60 prey, including primarily moose, beavers, and snowshoe hares.

Not unexpectedly, researchers found that the new wolves adapted well to the island environment, feeding on the moose and beaver populations of Isle Royale. A little more than half of prey remains (54.5%) were moose, demonstrating introduced wolves had few problems adjusting to this larger prey. Of the moose preyed upon, 63.4% were calves. Although not specifically designed to identify smaller prey, the predation monitoring also revealed the importance of beaver and snowshoe hare in the diets of wolves.

“Combining recent advances in technology with our knowledge of predator-prey relations will provide new insights, not only in the year-round foraging ecology of wolves on Isle Royale, but their overall role in this island ecosystem,” said Dr. Jerry Belant, Professor at SUNY-ESF and collaborative partner on wolf research.
Along with other research designed to identify ecosystem effects, the NPS and researchers from Michigan Technological University (MTU) and SUNY-ESF will continue to document wolf predation each winter and summer to monitor the restoration of wolf predation, its effects on Isle Royale’s moose population, and more importantly, the health of the island community as a whole.

GPS data led to the discovery of 24 moose carcasses by investigators and volunteers associated with MTU that will assist their long-term research, specifically the reconstruction of moose population estimates over time. Rolf Peterson, a research professor from MTU who helps direct citizen science teams of “Moosewatch” volunteers in the field, stated “our team members found it fascinating to explore clusters of wolf locations from last winter and spring, trying to locate bones from moose that had been killed or scavenged by wolves.”

In collaboration with several federal, provincial, state, tribal, and university partners, NPS is interested in investigating broad ecosystem change as the island adjusts to the return of predation, a key process in the ecosystem community dynamics of Isle Royale. This research will provide tangible evidence to help the NPS evaluate the success of its management actions as the project continues over the next few years.

“Restoring wolves is really about restoring integrity and resiliency to the ecosystem; making the ecosystem whole. Capturing the effects on the ecosystem as a result of our management actions is paramount to measuring the success of the program”, said Mark Romanski, Division Chief for Natural Resources at Isle Royale NP and project coordinator for the wolf translocation efforts.

The NPS and its collaborators will continue to monitor the new wolves as they settle into the island environment and to document ecosystem changes; wolf predation being just one of many metrics used to evaluate this ecosystem restoration effort.

This story was adapted from a press release from Isle Royale National Park.

Filed Under: Camp Fire Program, Isle Royale Wolf Study

ESF Scientist Helps Locate Wolf That Died on Isle Royale

June 19, 2019

 

Dr. Jerry Belant, the Camp Fire Conservation Fund Professor at ESF, recently helped staff members from the National Park Service (NPS) locate the body of a wolf at Isle Royale National Park in Michigan, just a few weeks after it had been translocated to the park from Canada as part of an effort to bolster the area’s declining wolf population.

In March, NPS personnel discovered the wolf’s GPS collar was transmitting a mortality mode signal. The wolf, known to the scientists as W006M, was a black-coated male that had been released to the park in late February. NPS personnel, unable to access the island, had to wait until the park reopened for the 2019 season to investigate. The wolf was located in the middle of Siskiwit swamp, a large wetland complex at the southwest end of the island. Following coordinates from the GPS collar, Belant and NPS personnel traveled five miles into the swamp to recover the carcass and determine the cause of death. The GPS collar had quit transmitting two weeks earlier. Investigators found no apparent signs of injury or struggle; however, the carcass had deteriorated because of melting snow and wet conditions, making an accurate cause of death determination impossible.

Annual survival of wild wolves in the nearby Upper Peninsula of Michigan is approximately 75 percent.

“After translocation of 11 wolves this winter, it was a disappointment to learn of this mortality and even more frustrating that the carcass could not be accessed in a timely way for a detailed necropsy,” said Mark Romanski, division chief of natural resources for the park. “A few weeks prior this male was traveling with one of the females translocated from Minnesota in October 2018. It would have been nice to see them stay together.”

The new wolves are beginning to form loose associations with one another as seen by overlapping GPS coordinates at the same time and place. A female wolf, known as W001F, that translocated from Minnesota in September 2018 and two male wolves, identified as W007M and W013M, that moved from Michipicoten Island, Ontario, Canada, this winter have been traveling together since early April. “While GPS data indicate these three wolves have been together on numerous occasions, it’s too early to tell whether we have a makings of a wolf pack,” said Romanski, “but it is reassuring that we have wolves spending time together and feeding.”

The NPS along with partners from ESF have initiated a study to look at summer predation and are using GPS locations to determine “clusters,” a group of consecutive GPS locations within 50 meters (55 yards) of one another, for investigation as to whether wolves have made a kill, are scavenging or perhaps just resting. This data will help managers and scientists determine the impact of the wolf population on the island’s moose population and document predation of other species such as beaver and, less often, snowshoe hare.

Akin to finding a needle in a haystack, field technicians searching two clusters each an area of nearly 0.8 hectares (two acres) discovered two probable snowshoe hare predation sites this past week; often all that remains at these sites are the feet, which wolves typically do not consume.

“We will continue to monitor the movements of wolves year round and use social network models to help determine the timing of pack formation and other aspects of wolf organization and predation on the island,” Belant said.

This story was adapted from a press release from Isle Royale National Park.

See SUNY – ESF press release at https://www.esf.edu/communications/view2.asp?newsID=8497&fbclid=IwAR3sgWhabR1ugMLx0JyBao4s2Akcfac3s4ssn1b389rhVCKEwp0I6OZHQLY

 

Filed Under: Camp Fire Program

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