|
Theory and methods in carnivore conservation: who limits whom: predators or prey?
Endangered Species Update
|
July 1, 2001|
|
COPYRIGHT 2001 University of Michigan, School of Natural Resources. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
(Hide copyright information)
Copyright
|
Abstract
Animal populations can be limited by the availability of food (limited from the bottom of the food chain up), by predators (limited from the top of the food chain down), or by the interaction of these two processes. Whether carnivores, in particular, limit the populations of their prey, or are limited by those prey, has long been controversial and is critical to conservation of prey and predatory species. I return to the question because it is a good question that we wish to have answered and, in part, because it has no simple answer. Our knowledge of ...
|
Venom Hunter Rates Snakes.
Newspaper article from: Analytic Separations News
; ...for speed and agility. Venom rather than muscle became...consequence of this is that venom is an inherent condition...has now analyzed the venoms from the many different...actually possess true venoms," says Dr. Fry...smaller quantities of venom and lack fangs, but...
|
|
Venom of a hill centipede Scolopendra viridicornis inhibits growth of human breast tumor in mice
Magazine article from: Indian Journal of Pharmacology
; ...about 30% alcohol leads to oozing of the venom from the tips of the poison claws. Oral...patients as a last resort. Use of this venom in traditional medicine and the reports of antitumor activity of snake venom disintegrins[1] led us to examine...
|
|
Venom hunters: scientists probe toxins, revealing the healing powers of biochemical weapons.(animal toxin defense)
Magazine article from: Science News
; ...snail-derived drug, calls venom an "amazing soup" with "great...toxic proteins that make up venom evolved in different animals...environmental conditions shape venoms in different animals. Despite...we can learn." What makes a venom The "amazing soup" that is...
|
|
Wasp venom immunotherapy may work by increasing allergic patient CD86, IL-10.
Newspaper article from: Health & Medicine Week
; ...NewsRx.com & NewsRx.net) -- Wasp venom immunotherapy may work by increasing CD86 and IL...cytokine production in patients with Hymenoptera venom allergy who receive venom immunotherapy remain unclear. "We examined the...
|
|
Bee venom therapy.(Shorts)
Magazine article from: Townsend Letter for Doctors and Patients
; The venom in the sting of a honey bee has anti-inflammatory...other inflammations. In his article "Bee Venom Therapy," Glenn Rothfeld, MD, suggests...colitis and asthma may also respond to bee venom therapy. Although the rationale for its...
|
|
Cost of Producing Venom in Three North American Pitviper Species
Magazine article from: Copeia
; ...involved in producing venoms in these animals...cost associated with venom production in three...animals meter their venom conservatively. SNAKE venoms are variable mixtures...advantages of snake venoms (McCue, 2005). Toxic venom components are synthesized...
|
|
M. altirostris venom differs immunologically from other Micrurus venoms.
Newspaper article from: Immunotherapy Weekly
; ...M. altirostris venom differs immunologically from other Micrurus venoms. Micrurus altirostris venom from Rio Grande do Sul...that M. altirostris venom presents different biological...characteristics from other Micrurus venoms, and some activities...
|
|
The venom gland transcriptome of the Desert Massasauga Rattlesnake ( Sistrurus catenatus edwardsii ): towards an understanding of venom composition among advanced snakes (Superfamily Colubroidea).(Research article)
Magazine article from: BMC Molecular Biology
; ...been catalogued in snake venom proteomes, and several...Sarafotoxins are found only in venoms of Atractaspididae...coagulation factors Xa, cobra venom factor, waprins and...crotamine occur primarily in venoms of the Viperidae (Additional...these toxin families in venom make envenomation ...
|
|
Viper and cobra venom neutralization by [beta]-sitosterol and stigmasterol isolated from the root extract of Pluchea indica Less. (Asteraceae).
Magazine article from: Phytomedicine: International Journal of Phytotherapy & Phytopharmacology
; ...Asteraceae) could neutralize viper venom-induced action [Alam, M.I., Auddy, B., Gomes, A., 1996. Viper venom neutralization by Indian medicinal plant...reports the neutralization of viper and cobra venom by [beta]-sitosterol and stigmasterol...
|
|
Stanford Snake Venom Study Shows That Certain Cells May Eliminate Poison.
Business Wire
; ...reacted to the various venoms. The net effect of the...response to the four venoms "is to enhance resistance...mortality induced by the venom," said Galli, the...toxic component in the venom of the burrowing asp...respond to many snake venoms by secreting some potent...
|
Find more facts and information related to the
article "Theory and methods in carnivore conservation: who ..."