Navigation Links
New model more accurately describes migratory animals' extinction risk
Date:11/16/2011

Northwest and Bachman's sparrow in the Southeastit does not fit in all cases.

To adapt the theory for migratory species, Hall and Taylor added more complexity to the model. They divided habitat patches into two categories: those used during breeding season and those used for wintering. In their model, colonization only occurs between breeding and wintering (non-breeding) patches, not between patches of the same type.

"With the migratory model, having an unoccupied breeding patch surrounded by lots of suitable breeding habitat does not necessarily mean that the colonization rate is likely to be high," said Hall. "With migratory animals, the colonists of breeding patches come from non-breeding patches far away."

Piping plovers provide a good example. There are only a limited number of suitable habitat patchesopen, sandy beaches that aren't excessively disturbed by human activityso the number and size of the breeding patches in the north and the wintering patches in the southand the distances between themare well known. Through bird banding and tracking technologies, researchers are beginning to develop an understanding of the migration patterns between breeding and wintering patches. Taylor and Hall's model could be applied to describe these birds' population dynamics.

Hall said that the model highlights the importance of taking into account the colonization and extinction rates at both breeding and non-breeding sites, which is more easily said than done.

"What our model shows is that even if the populations in the breeding areas look healthy, without knowing the state of the non-breeding areas, we could be vastly underestimating the likelihood of extinction," he said.


'/>"/>

Contact: Richard Hall
rjhall@uga.edu
706-542-3971
University of Georgia
Source:Eurekalert

Page: 1 2

Related biology news :

1. Penn biophysicists create new model for protein-cholesterol interactions in brain and muscle tissue
2. Models of eel cells suggest electrifying possibilities
3. Anti-cancer drug prevents, reverses cardiovascular damage in mouse model of premature aging disorder
4. Swamping bad cells with good in ALS animal models helps sustain breathing
5. Moderate use averts failure of type 2 diabetes drugs in animal model
6. Multiple sclerosis research charges ahead with new mouse model of disease
7. A model to measure soil health in the era of bioenergy
8. New model predicts hot spots for mercury in fish
9. New movement models tested at the Smithsonian in Panama
10. Cytori reports benefit of adipose-derived regenerative cells in spinal disc model
11. Lifecycles of tropical cyclones predicted in global computer model
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/11/2014)... The increased risk of kidney injury related to ... reflects the mass of HES molecules, according to a ... of the International Anesthesia Research Society (IARS). , The ... of HES on cultured human renal proximal tubule cells ... and colleagues of University Hospital Wrzburg, Austria. Other ...
(Date:7/11/2014)... 1 can inhibit voltage-gated calcium channel, decrease ... However, some scholars demonstrated that cannabinoid receptor ... and increase neurotransmitter release. Dr. Yi Zhang ... Tongji Medical College, Huazhong University of Science ... and calcium imaging in cultured trigeminal ganglion ...
(Date:7/10/2014)... In Santa Fe, Albuquerque, and other major cities in ... watered with treated municipal wastewater rather than precious potable ... more than 40% of all golf courses receive treated ... courses. , Additionally, golf courses and homeowners alike ... nutrient in fertilizer is nitrate. A New Mexico State ...
Breaking Biology News(10 mins):In lab studies, hydroxyethyl starch has direct harmful effects on kidney cells 2'Tailored' water -- the latest in lawn care 2
... -- Findings from a first-of-its-kind study by Indiana University ... or fantasies -- can lead to female orgasm. ... phenomenon, sometimes called "coregasm" because of its association with ... media for years, said Debby Herbenick, co-director of the ...
... Georgetown University Medical Center have revealed how a mutation in ... to effectively pass along appetite suppressing signals from the body ... obesity caused by a voracious appetite. , Their study, published ... might be a way to stimulate expression of that gene ...
... a proton the bare nucleus of a hydrogen atom ... a molecule, the result is a hydrogen bond, in which ... electrons. Conventional wisdom has it that proton transfers can only ... networks that can connect and reconnect to alter molecular properties. ...
Cached Biology News:Study: Exercise can lead to female orgasm, sexual pleasure 2Study: Exercise can lead to female orgasm, sexual pleasure 3Researchers reveal how a single gene mutation leads to uncontrolled obesity 2A surprising new kind of proton transfer 2A surprising new kind of proton transfer 3A surprising new kind of proton transfer 4
(Date:7/10/2014)... July 10, 2014 Product and ... very low abundance and are often “lost in ... time-consuming. , Join presenters Dr. Rowel Tobias, Senior ... John Anders, Head of Quality at Nanotherapeutics, Inc., ... that can speed detection and quantitation while achieving ...
(Date:7/10/2014)... Robert Harman, DVM, Founder and CEO of Vet-Stem, ... announce the relaunch of his highly informative blog, now named ... “ What are Stem Cells ?” Dr. Harman’s purpose ... in the basics of stem cell therapy so that pet ... of treatment when considering regenerative medicine. , A veterinarian by ...
(Date:7/10/2014)... 10, 2014 On July 9 ... , presented Russia,s first national ... The Company is developing a unique project called ... develops a number of innovative drugs based on monoclonal ... ceremony took place at the International Exhibition "Innoprom 2014" ...
(Date:7/10/2014)... D.C., April 15, 2014 -- According to the ... to nuclear security comes from terrorists acquiring sufficient ... to construct a crude nuclear explosive device. The ... nuclear trafficking have involved gram-level quantities, which can ... , According to a new study appearing this ...
Breaking Biology Technology:Novel Ms Techniques Speed Detection of Biopharmaceutical Product and Process Impurities, New Webinar Hosted by Xtalks 2Robert Harman, DVM Talks About What Stem Cells are in His Latest Blog Series for Vet-Stem, Inc. 2Robert Harman, DVM Talks About What Stem Cells are in His Latest Blog Series for Vet-Stem, Inc. 3Dmitry Medvedev Presented BIOCAD the First National "Industry" Award 2Sensitive detection method may help impede illicit nuclear trafficking 2
... 7, 2011 Regado Biosciences, Inc., a privately ... with active control agents, announced the presentation of ... Company,s Phase 2b RADAR trial of REG1, Regado,s ... at the Transcatheter Cardiovascular Therapeutics (TCT) Symposium meeting ...
... Inc. (NYSE AMEX: IBIO ) today announced that ... its 2011 Annual Stockholders Meeting to be held December 8, 2011 ... at 11:00 AM ET. Although only stockholders of ... will be entitled to vote at the meeting, anyone with proof ...
... The shortlist of contenders for the highest ... narrowed tonight as the winners of the Siemens ... Finals were announced.  Cancer stem cell research earned ... Angela Zhang of Cupertino, California.  Research on molecular ...
Cached Biology Technology:Regado Biosciences, Inc. Presents Positive Efficacy and Safety Substudy Data from the Phase 2b RADAR Trial for the REG1 Anticoagulation System at the Transcatheter Cardiovascular Therapeutics (TCT) Symposium 2011 2Regado Biosciences, Inc. Presents Positive Efficacy and Safety Substudy Data from the Phase 2b RADAR Trial for the REG1 Anticoagulation System at the Transcatheter Cardiovascular Therapeutics (TCT) Symposium 2011 3Regado Biosciences, Inc. Presents Positive Efficacy and Safety Substudy Data from the Phase 2b RADAR Trial for the REG1 Anticoagulation System at the Transcatheter Cardiovascular Therapeutics (TCT) Symposium 2011 4iBio Sets Record Date and Location for December 8 Annual Meeting of Stockholders 2Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 2Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 3Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 4Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 5
Mouse monoclonal antibody raised against a full length recombinant YARS. NCBI Entrez Gene ID = YARS...
... Sight DS-L2 imaging controller is a successor ... and allows users to comfortably observe, record ... controller features an 8.4 inch LCD (XGA) ... of Nikon cameras including the DS-Fi1 , ...
... is a premium quality recombinant form of ... is suitable for a wide range of ... and reproducible performance, each preparation is extensively ... assays. NovaTaq DNA Polymerase possesses an integral ...
Mouse polyclonal antibody raised against a partial recombinant TSEN2. NCBI Entrez Gene ID = 80746...
Biology Products: