Re: [ECOLOG-L] Call for Manuscripts!
Please note that Elsevier has identified the quoted email (below) as spam: http://www.elsevier.com/wps/find/authorsview.authors/spam From Elsevier's web site FRAUDULENT EMAILS IN CIRCULATION It has come to our attention that fraudulent emails are being distributed widely in the scientific community. These spam emails use fake publisher email addresses and attempt to appear as official communications from the publisher. The fraudulent e-mail messages are generally called Manuscript Submission or “Call for Papers” and are typically sent using e-mail accounts supported by Gmail, Hotmail or other free e-mail providers. Typically, the body of these messages contain a Call for Papers, requesting that authors submit scholarly articles via e-mail for publication by Elsevier in various Elsevier journals and other publications. These fraudulent e-mails involve a request for the victims to send “handling fees” to cover the processing of the article submitted. Please be assured that Elsevier, Inc. is in no way associated with this fraudulent e-mail campaign. Elsevier is currently investigating this fraud to identify the persons responsible and to bring them to justice. Elsevier does not solicit intellectual property from authors in this fashion, and does not utilize Gmail, Hotmail, or any other free third-party e-mail providers in communications with authors and editors. If you receive any e-mail messages that appear to be a part of this fraudulent solicitation, DO NOT respond to the message and do not open any attachments contained in the message. Rather, please forward the message to Elsevier's Fraud Department at emailab...@elsevier.com. We will use the information included in the message to aid in our investigation. If you know of someone who has received this message, please pass along the above information and ask them also to forward the message to the Elsevier's Fraud Department. *ELSEVIER:* *BUILDING INSIGHTS; BREAKING BOUNDARIES* *MANUSCRIPTS SUBMISSION* Dear Colleague, On behalf of all the Editors-in-chief of Elsevier Journals, we wish to Communicate to you that we are currently accepting manuscripts in all Fields of human Endeavour. All articles published will be peer-reviewed. The following types of papers are considered for publication: • Original articles in basic and applied research. •Critical reviews, surveys, opinions, commentaries and essays. Authors are invited to submit manuscripts reporting recent developments in their fields. Papers submitted will be sorted out and published in any of our numerous journals that best Fits. This is a special publication procedure which published works will be discussed at seminars (organized by Elsevier) at strategic Cities all over the world. Please maximize this opportunity to showcase your research work to the world. The submitted papers must be written in English and describe original research not published nor currently under review by other journals. Parallel submissions will not be accepted. Our goal is to inform authors about their paper(s) within one week of receipt. All submitted papers, if relevant to the theme and objectives of the journal, will go through an external peer-review process. *Prospective authors should send their manuscript(s) in** **Microsoft Word** **or PDF format to** **elsev...@live.co.uk** *and should Include a cover sheet containing corresponding Author(s) name, Paper Title, affiliation, phone, fax number, email address etc. Kind Regards, Emily Robinson(Prof.) PS: Pls. show interest by mailing *elsev...@live.co.uk* if your Manuscript is not ready but will be ready soon. --| http://sci.martinkoechy.de | Dr. Martin Köchy (Koechy) Johann Heinrich von Thünen-Institut -Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei- Institut für Agrarrelevante Klimaforschung Johann Heinrich von Thuenen Institute -Federal Research Institute for Rural Areas, Forestry and Fisheries- Institute of Agricultural Climate Research vTI-AK * Bundesallee 50 * 38116 Braunschweig * GERMANY Telefon: +49-531-596-2602 * Telefax: +49-531-596-2699 http://www.vti.bund.de/de/institute/ak/ - (bis September) --- AG Vegetationsökologie Naturschutz|RG Veg. Ecology Nature Conserv. Universität Potsdam| University of Potsdam Am Neuen Palais 10 * 14469 Potsdam * GERMANY Telefon: +49-331-977 1974|Fax: +49-331-977 1930 www.bio.uni-potsdam.de/professuren/vegetationsoekologie-naturschutz
Re: [ECOLOG-L] Statistic program question
On Tue, 2 Jun 2009 20:03:31 -0500, Mike Sears mse...@brynmawr.edu wrote: I want to sit down and learn R. Where is the best place to start? At your computer! ;) If you are looking for a book, good ones are Michael Crawley's Statistics: An Introduction Using R or Peter Dalgaard's Introductory Statistics with R. If I may be bold enough to refer to our own book: A Beginner's Guide to R (2009) Zuur, Ieno, Meesters. Springer Available for pre-ordering from: http://www.springer.com/statistics/computational/book/978-0-387-93836-3 Should be available in a month or so. Alain Crawley is a biologist, and his book might be a little more accessible to ecologists. He has also written a much more comprehensive book on R, The R Book, which is useful. Cheers, Mike Malcolm On Tue, Jun 2, 2009 at 4:58 PM, Gavin Simpson gavin.simp...@ucl.ac.uk wrote: On Tue, 2009-06-02 at 14:15 -0700, AdRiAnA HuMaNeS wrote: Dear Listers: I am writing to ask if anyone knows a statistical program besides PERMANOVA= that can do ANOVAS of mixed designs with four factors (two orthogonals and= two nested) and unbalanced data, Best Regards Adriana Humanes Function adonis() in the vegan package for R can fit this type of model. You can find out more here: http://cran.r-project.org/package=vegan HTH, G -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Dr. Gavin Simpson [t] +44 (0)20 7679 0522 ECRC, UCL Geography, [f] +44 (0)20 7679 0565 Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/ UK. WC1E 6BT. [w] http://www.freshwaters.org.uk %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% -- Michael W. Sears, Ph.D. Department of Biology Bryn Mawr College 101 N. Merion Ave Bryn Mawr, PA 19010 http://www.brynmawr.edu/biology http://www.zoology.siu.edu/sears/mike_sears_home.html =
[ECOLOG-L] tubes for inserting bags to explore mycorrhizae
As a graduate student, I painstakingly build PCV tubes with carefully drilled holes and glued selective membranes over the openings to allow arbuscular mycorrhizal fungi (AMF) to pass into tubes where plants grew. Now, I would like to do something similar but with a different aim. I would like to insert tubes with selective membranes (or no membranes and instead have sand in membrane sacks) into grasslands to permit sampling of AMF related response variables each year. A tube would allow repeated sampling from a location instead of burying sacks and extracting them--this incorporates spatial variability if sacks are planted into different spots each interval. Ideally, I would like to purchase something that already has openings (holes, slits, etc.) that will permit me to add sand bags, cap, and periodically remove bags. Are any of you doing something similar to measure extraradical hyphae, glomalin, nutrients using resin bags, etc.? I'm sure there is a product related to some sort of filtration for aquaculture, industry, etc. that already has openings and can be modified to function as such a tube. Any tips? Cheers, Kurt Kurt Reinhart, Research Ecologist USDA-ARS Fort Keogh Livestock Range Research Laboratory 243 Fort Keogh Road Miles City, MT 59301 USA email: kurt.reinh...@ars.usda.gov Office: (406) 874-8211 Fax: (406) 874-8289 educational website: http://iecology.net http://iecology.net/
Re: [ECOLOG-L] Call for Manuscripts!
Wow... does this mean that Ecologists have gone mainstream? This is going to take some adjusting since I've always identified more with the scientific fringe. ::sigh:: Keep an eye out for any emails claiming to send you millions of soil samples in exchange for co-authorship... I fear we're only scratching the surface here. David David A. La Puma Ph.D. Candidate Dept. of Ecology, Evolution, Natural Resources Plant Physiology Building 1 College Farm Road Rutgers University New Brunswick, NJ 08901-1582 websites: http://www.woodcreeper.com http://badbirdz2.wordpress.com photos: http://www.flickr.com/photos/woodcreeper Lockwood lab: http://rci.rutgers.edu/~jlockwoo On Thu, Jun 4, 2009 at 2:55 AM, Martin Koechy b-l...@martinkoechy.dewrote: Please note that Elsevier has identified the quoted email (below) as spam: http://www.elsevier.com/wps/find/authorsview.authors/spam From Elsevier's web site FRAUDULENT EMAILS IN CIRCULATION It has come to our attention that fraudulent emails are being distributed widely in the scientific community. These spam emails use fake publisher email addresses and attempt to appear as official communications from the publisher. The fraudulent e-mail messages are generally called Manuscript Submission or “Call for Papers” and are typically sent using e-mail accounts supported by Gmail, Hotmail or other free e-mail providers. Typically, the body of these messages contain a Call for Papers, requesting that authors submit scholarly articles via e-mail for publication by Elsevier in various Elsevier journals and other publications. These fraudulent e-mails involve a request for the victims to send “handling fees” to cover the processing of the article submitted. Please be assured that Elsevier, Inc. is in no way associated with this fraudulent e-mail campaign. Elsevier is currently investigating this fraud to identify the persons responsible and to bring them to justice. Elsevier does not solicit intellectual property from authors in this fashion, and does not utilize Gmail, Hotmail, or any other free third-party e-mail providers in communications with authors and editors. If you receive any e-mail messages that appear to be a part of this fraudulent solicitation, DO NOT respond to the message and do not open any attachments contained in the message. Rather, please forward the message to Elsevier's Fraud Department at emailab...@elsevier.com. We will use the information included in the message to aid in our investigation. If you know of someone who has received this message, please pass along the above information and ask them also to forward the message to the Elsevier's Fraud Department. *ELSEVIER:* *BUILDING INSIGHTS; BREAKING BOUNDARIES* *MANUSCRIPTS SUBMISSION* Dear Colleague, On behalf of all the Editors-in-chief of Elsevier Journals, we wish to Communicate to you that we are currently accepting manuscripts in all Fields of human Endeavour. All articles published will be peer-reviewed. The following types of papers are considered for publication: • Original articles in basic and applied research. •Critical reviews, surveys, opinions, commentaries and essays. Authors are invited to submit manuscripts reporting recent developments in their fields. Papers submitted will be sorted out and published in any of our numerous journals that best Fits. This is a special publication procedure which published works will be discussed at seminars (organized by Elsevier) at strategic Cities all over the world. Please maximize this opportunity to showcase your research work to the world. The submitted papers must be written in English and describe original research not published nor currently under review by other journals. Parallel submissions will not be accepted. Our goal is to inform authors about their paper(s) within one week of receipt. All submitted papers, if relevant to the theme and objectives of the journal, will go through an external peer-review process. *Prospective authors should send their manuscript(s) in** **Microsoft Word** **or PDF format to** **elsev...@live.co.uk** *and should Include a cover sheet containing corresponding Author(s) name, Paper Title, affiliation, phone, fax number, email address etc. Kind Regards, Emily Robinson(Prof.) PS: Pls. show interest by mailing *elsev...@live.co.uk* if your Manuscript is not ready but will be ready soon. --| http://sci.martinkoechy.de | Dr. Martin Köchy (Koechy) Johann Heinrich von Thünen-Institut -Bundesforschungsinstitut für Ländliche Räume, Wald und Fischerei- Institut für Agrarrelevante Klimaforschung Johann Heinrich von Thuenen Institute -Federal Research Institute for Rural Areas, Forestry and Fisheries- Institute of Agricultural Climate Research vTI-AK * Bundesallee 50 * 38116 Braunschweig * GERMANY
Re: [ECOLOG-L] Statistic program question
A few quick things to add to this thread. I have found two R packages particularly helpful for multivariate analysis of ecological data. For others see the CRAN Task View: Multivariate Statistics at: http://cran.r-project.org/web/views/Multivariate.html Vegan is great! It is very well maintained has very good documentation and some nice tutorials (called Vignettes in R speak), They can be found at: http://cran.r-project.org/web/packages/vegan/index.html I have found the 'Introduction to ordination in vegan' particularly helpful. I also like the labdsv package for classification methods. http://cran.r-project.org/web/packages/labdsv/index.html Some labs using this package can be found here: http://ecology.msu.montana.edu/labdsv/R/ Good luck, Michael Michael Denslow Graduate Student I.W. Carpenter Jr. Herbarium [BOON] Department of Biology Appalachian State University Boone, North Carolina U.S.A. -- AND -- Communications Manager Southeast Regional Network of Expertise and Collections sernec.org
[ECOLOG-L] Snakes: Ecology and Conservation - A new and important book
SNAKES: ECOLOGY AND CONSERVATION Edited by Stephen J. Mullin Richard A. Seigel Hardcover, 392 pages, June 2009, Comstock/Cornell Univ. Press 6 1/8 x 9 ¼ inches, 10 tables, 26 charts/graphs, 5 maps, 2 line drawings, 2 halftones $60.00 This includes SH via media mail, 2-3 week delivery. If you want it sent first class add $10.00, 2-4 days delivery. Overseas please email us for an exact price. (As you can see price of shipping this book is much lower than shipping of Turtles Of U.S. amp; Canada) (As always - all profits from the sale of this book goes to keep Herpdigest a free publication.) Destruction of habitat due to urban sprawl, pollution, and deforestation has caused population declines or even extinction of many of the world's approximately 2,600 snake species. Furthermore, misconceptions about snakes have made them among the most persecuted of all animals, despite the fact that less than a quarter of all species are venomous and most species are beneficial because they control rodent pests. It has become increasingly urgent, therefore, to develop viable conservation strategies for snakes and to investigate their importance as monitors of ecosystem health and indicators of habitat sustainability. In this, the first book on snakes to be written with a focus on conservation, editors Stephen J. Mullin and Richard A. Seigel bring together leading herpetologists to review and synthesize the ecology, conservation, and management of snakes worldwide. These experts report on advances in current research and summarize the primary literature, presenting the most important concepts and techniques in snake ecology and conservation. The common thread of conservation unites the twelve chapters, each of which addresses a major sub-discipline within snake ecology. Applied topics such as methods and modeling, and strategies such as captive rearing and translocation, are also covered. Each chapter provides an essential framework and indicates specific directions for future research, making this a critical reference for anyone interested in vertebrate conservation generally or for anyone implementing conservation and management policies concerning snake populations. Stephen J. Mullin is Associate Professor of Biological Sciences at Eastern Illinois University. Richard A. Seigel is Professor and Chair of Biological Sciences at Towson University and the author or editor of several books, including Snakes: Ecology and Behavior, Snakes: Ecology and Evolutionary Biology, and The Garter Snakes: Evolution and Ecology. TO ORDER: 1) Send a check to Herpdigest/Allen Salzberg/67-87 Booth Street -5B/Forest Hills, NY 11375. Make the check out to Herpdigest. 2) By Paypal - our account is asalzb...@herpdigest.org 3) By credit card, Master or Visa only, send us your credit card number, expiration date, billing and shipping address to asalzb...@herpdigest.org. (Though I haven't heard of this happening, a credit card number stolen from an email, I'm told to prevent this send ccard number divided into two emails.) 4) By phone, call us at 1-718-275-2190 Eastern Standard Time (NYC) - Any Day Of The Week, 10 A.M.- 8 P.M. If not in, leave message and we'll call back. Reviews: Snakes: Ecology and Conservation is an important and excellent book. The choice of topics is timely and each chapter offers something novel.-Harry W. Greene, Cornell University, author of Snakes: The Evolution of Mystery in Nature Yet another authoritative and cutting-edge volume on the biology of snakes, organized and written with the same attention to detail and scientific accuracy as its predecessors, Snakes: Ecology and Evolutionary Biology and Snakes: Ecology and Behavior. Add this alongside them on your library bookshelf; it is an essential tome for all researchers interested in serpents.-Joseph T. Collins, Director, The Center for North American Herpetology, and Herpetologist, The University of Kansas This timely compilation by Stephen J. Mullin and Richard A. Seigel, with contributions by the world's top experts in snake biology, will rapidly become the foundation for future herpetological research and management involving snakes. In addition to being an indispensable source for every professional herpetologist and anyone else interested in snake ecology and conservation, this book will serve as a cornerstone reference for land managers and conservation biologists anywhere snakes occur.-J. Whitfield Gibbons, University of Georgia * Contributors to this excellent volume are: Omar Attum, Indiana University Southeast Steven J. Beaupre, University of Arkansas Xavier Bonnet, Centre National de la Recherche Scientifique Frank T. Burbrink, College of Staten Island, The City University of New York Gordon M. Burghardt, University of Tennessee Todd A. Castoe, University of Colorado David Chiszar, University of Colorado Michael E. Dorcas, Davidson College Lara E. Douglas, University of Arkansas Christopher L. Jenkins, Project Orianne, Ltd.
[ECOLOG-L] Ph.D. positions in sustainable biomass/bioenergy
A Ph.D. assistantship is available in sustainability of biomass/ biofuel utilization in the mixed forest/agriculture landscapes in Michigan. This position will investigate core questions necessary for social, economic, ecological and environmental viability of emerging industries and expanded utilization of forests and agriculture lands. The successful applicant will have the opportunity to be involved in one or more ongoing research efforts which include biomass feedstock inventory, availability and supply estimation, GIS and Remote Sensing based models of biomass stocks, energy crop cultivation regimes, ecosystem carbon and nutrient cycles and inventory and carbon sequestration in native and cultivated forests and production systems using switchgrass. A background in forestry, ecosystem science, soil science, or agrology is required, as well as interest in application of statistical or quantitative methods in scientific investigations. Experience with GIS and remote-sensing techniques is ideal but strong interest will suffice. Proficiency in spoken and written English is an absolute necessity. The assistantship comes with a competitive stipend and covers the cost of tuition and fees. Supplementary support including discretionary travel funds is anticipated for very strong candidates. Michigan Tech is one of the Nation’s premier Forestry and Environmental Science Universities. The School of Forest Resources and Environmental Science has been ranked fourth in the nation for scholarly productivity among forestry schools, and first in North America based on citations per faculty member. Well-established partnerships with the USDA Northern Research Station and the Northern Institute for Applied Carbon Science enhance opportunities for scholarly collaboration. The university is located in the Houghton, Michigan near the shores of Lake Superior, and offers superb outdoor recreation opportunities in a modern, safe small city community. The start date is fall semester 2009. Interested persons should send a short cover letter, GRE scores, one-page statement of professional interests, curriculum vitae including names and contact information for two references, and any other relevant materials to Dr. Froese by email at fro...@mtu.edu. Review of applications will begin on July 1, 2009. Michigan Tech is an equal opportunity educational institution/equal opportunity employer. -- Robert Froese, PhD, RPF Associate Professor, School of Forest Resources and Environmental Science Michigan Technological University, Houghton, MI 49931 USA Email: fro...@mtu.edu; Voice: 906-487-2723; Cell: 906-370-7285; Fax: 906-487-2915
[ECOLOG-L] Uniform distribution model selection using AICc
All, I'm involved in research where we're using maximum likelihood and AICc methods to evaluate the fit of our observed data to various model distributions. The methods are rather straightforward, but we have hit a snag for one model, and I was hoping a member of this listserv could recommend where to find a solution. Simplifying things here to make it easier, let's say we're comparing our continuous (i.e., non-discrete) data to normal and uniform distributions. (These are reasonable distributions to use for our data.) For the normal distribution, it's a simple task to compare our observations to a normal distribution with maximum likelihood estimators (MLEs) estimated by the mean and variance of our observed data. For the uniform distribution, the relevant MLEs are the observed minimum and the maximum. The problem is that when we do this, we are finding a consistent bias in favor of the uniform model (even when we use test data that are clearly non-uniformly distributed.) We suspect the cause of the bias is two-fold. First, minima and maxima are biased estimates of population parameters (in contrast to those for the normal distribution). In other words, sampled extremes will always underestimate population extremes in practice. Yet, these observed extremes *are* the appropriate MLEs for the uniform distribution. Second, the uniform model is theoretically bounded by the minimum and the maximum whereas the normal is theoretically unbounded (meaning values can range from negative to positive infinity, even if the likelihood of such observations are essentially negligible.) The result of both problems seems to result in a biased fit for the uniform model (which is bounded by observed values), but not of the normal distribution (which are not so bounded). We suspect that the second problem is the more problematical one in our case (in large part because we're using the appropriate MLEs for each model). We (including a statistician) have been unable to find discussion of this issue--bias caused by comparing an internally bounded model to an unbounded one--in the statistical or ecological literature and we're hoping that you might be able to offer advice. Feel free to reply directly to me off-line. Sincerely, Phil ~~ Phil Novack-Gottshallpnova...@westga.edu Assistant Professor Department of Geosciences University of West Georgia Carrollton, GA 30118-3100 Phone: 678-839-4061 Fax: 678-839-4071 http://www.westga.edu/~pnovackg ~~
[ECOLOG-L] Last Day to Apply for SERDP Student Scholarship to ESA Annual Meeting
The Ecological Society of America (ESA) announces the availability of ten (10) travel awards of $500 each to students presenting papers at ESA's 2009 Annual Meeting in Albuquerque, NM. These awards are sponsored by the Strategic Environmental Research and Development Program (SERDP). SERDP is the U.S. Department of Defense's corporate environmental research and development (RD) program, planned and executed in full partnership with the U.S. Department of Energy and the Environmental Protection Agency. Students with abstracts accepted in one of three areas are eligible to apply: ecosystem management, invasive species, hreatened and endangered species. For complete application information, please visit: http://esa.org/education_diversity/serdp.php APPLICATIONS ARE DUE JUNE 5, 2009
[ECOLOG-L] Ecosystem function at the most basic level
Ecolog: In that complex ballet between organisms and their hosts or prey at every level of life, just what is it that keeps the ecosystem from collapsing? WT
[ECOLOG-L] Post Doctoral Position in Forest Ecosystem Modeling
The New York City Department of Environmental Protection (NYCDEP) is developing a modeling system to investigate the effects of land use, watershed management, and climate change on the NYC water supply. The following Post Doc position is available to work with NYCDEP modeling staff on development and application of simulation models to support these investigations. This position is for two years with possibility of renewal for an additional two years. The position is located in Kingston, N.Y., 100 miles north of NYC in the Catskill Mountains and the Hudson River Valley. The scientist will develop forest ecosystem models for the NYC water supply watersheds that simulate ecosystem processing of soil-vegetation- atmosphere-water transfers, and that utilize remotely sensed data sources. These models will be useful for addressing questions like: • What are the effects of climate change on the forested landscape and how will this influence water supply? • Are there land use and forest management practices that can be implemented to improve water supply reliability in a changing climate? • What is the potential for forests to provide carbon sinks as offsets to urban CO2 production in NYC carbon budgeting? Specific tasks include: • Evaluate and recommend appropriate forest ecosystem models based on modeling application needs and available data. This requires an understanding of the strengths and weaknesses of current ecosystem models; the potential questions that these models can address; the input data requirements as compared to current data availability; and ability for model to be implemented within DEP’s modeling program. • Develop selected model(s) for the NYC watersheds. This includes all necessary data analyses; collection of additional necessary data; development of model changes necessitated by watershed characteristics unique to the NYC watersheds; calibration and testing of the model; and all necessary software and tools for implementation of model with DEP’s modeling program. The candidate should have a Ph.D. or equivalent experience in water resource management, hydrology, ecology, civil/environmental engineering, or a related discipline. Experience in terrestrial ecosystem modeling is preferred. For more information regarding this position send a letter of interest and resume to: Elliot Schneiderman Senior Research Scientist Water Quality Modeling 71 Smith Ave Kingston N.Y. 12401 Email: eschneider...@dep.nyc.gov Phone 845 340 7797
[ECOLOG-L] YSI versus Oakton probes
Our lab is looking to purchase a new portable pH probe for frequent, routine, outdoor measurements. We require a meter that can take a probe with a long extension chord (1 m or more). We would prefer something that is waterproof or water resistant. So far, I have come up with a YSI pH 100 pH/ORP/Temperature meter and the Oakton Acorn pH 5 meter. Both fit our needs perfectly, and I was wondering if anyone could provide reviews for either product. Alternatively, if you could suggest a better alternative for durable pH / temp meter and probes, that would be great! Thank you, Aaron Stoler -- University of Pittsburgh Department of Biology 101 Clapp Hall Pittsburgh PA 15260 410.365.7700 (cell) 412.624.4458 (office) ab...@pitt.edu www.pitt.edu/~abs45/index.html
[ECOLOG-L] alometric equuations for Mangrove
Dear all. We are looking for allometric equations to be use for biomass estimation in Pelliciera rhizophorae, species. Do you have any useful reference? Thanks Eric Flores
Re: [ECOLOG-L] Ecosystem function at the most basic level
Doesn't your question depend somewhat on what ecosystem and collapse means to you? Warren W. Aney Tigard, Oregon -Original Message- From: Ecological Society of America: grants, jobs, news [mailto:ecolo...@listserv.umd.edu]on Behalf Of Wayne Tyson Sent: Thursday, June 04, 2009 20:06 To: ECOLOG-L@LISTSERV.UMD.EDU Subject: [ECOLOG-L] Ecosystem function at the most basic level Ecolog: In that complex ballet between organisms and their hosts or prey at every level of life, just what is it that keeps the ecosystem from collapsing? WT
Re: [ECOLOG-L] Ecosystem function at the most basic level
Warren et al: I may have a right to my own meaning, but do I have a right to my own facts? (apologies to D. Moynihan) If I knew the answer, believe me, I wouldn't ask the question. Therefore, I did not condition the terms of the question on my biases. I must presume that a discipline like ecology has a definition of ecosystem and a definition of collapse. If not, the discussion should be all the more interesting and useful. I should perhaps add that I would consider an answer valid that explained what prevents collapse at ANY level, such as a bacterium and an immune system. WT - Original Message - From: Warren W. Aney a...@coho.net To: Wayne Tyson landr...@cox.net; ECOLOG-L@LISTSERV.UMD.EDU Sent: Thursday, June 04, 2009 9:17 PM Subject: RE: [ECOLOG-L] Ecosystem function at the most basic level Doesn't your question depend somewhat on what ecosystem and collapse means to you? Warren W. Aney Tigard, Oregon -Original Message- From: Ecological Society of America: grants, jobs, news [mailto:ecolo...@listserv.umd.edu]on Behalf Of Wayne Tyson Sent: Thursday, June 04, 2009 20:06 To: ECOLOG-L@LISTSERV.UMD.EDU Subject: [ECOLOG-L] Ecosystem function at the most basic level Ecolog: In that complex ballet between organisms and their hosts or prey at every level of life, just what is it that keeps the ecosystem from collapsing? WT No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.339 / Virus Database: 270.12.53/2154 - Release Date: 06/04/09 05:53:00
[ECOLOG-L] Instrumentation Probes and Meters Re: [ECOLOG-L] YSI versus Oakton probes
Aron et al: I just bought a cheapo $30 temp (infra-red) meter that SEEMS competitive in accuracy (they all need to be calibrated, quite a lot, I understand, and some pretty expensive instrumentation apparently can be tragically off under different conditions, throwing a whole season's work into the dustbin--or into a model) with much more expensive units, but I've only had it a few days and have not done any comparative tests. They all seem to be made in China, and some may be from the same specs or even the same factory, as appears to be the case with certain high-end microphones, for example, which stack up pretty well with European-made top-of-the-line stuff costing in the five-figure stratosphere. I would like to know how some of the cheaper pH meters and other gear compare with the more expensive brands. Are you talking downloadable stuff or just the kind of toy I mentioned? Application, of course, is everything, and if a physical probe is needed, my toy wouldn't apply--whether or not it is useless, however, I can't say. I do suspect, however, that a lot of professional grade stuff isn't that different than some of the cheaper consumer stuff. I won't be using my meter in the rain, but if I do, I'll put it into a plastic bag or something. WT - Original Message - From: abs...@pitt.edu To: ECOLOG-L@LISTSERV.UMD.EDU Sent: Thursday, June 04, 2009 1:33 PM Subject: [ECOLOG-L] YSI versus Oakton probes Our lab is looking to purchase a new portable pH probe for frequent, routine, outdoor measurements. We require a meter that can take a probe with a long extension chord (1 m or more). We would prefer something that is waterproof or water resistant. So far, I have come up with a YSI pH 100 pH/ORP/Temperature meter and the Oakton Acorn pH 5 meter. Both fit our needs perfectly, and I was wondering if anyone could provide reviews for either product. Alternatively, if you could suggest a better alternative for durable pH / temp meter and probes, that would be great! Thank you, Aaron Stoler -- University of Pittsburgh Department of Biology 101 Clapp Hall Pittsburgh PA 15260 410.365.7700 (cell) 412.624.4458 (office) ab...@pitt.edu www.pitt.edu/~abs45/index.html No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.339 / Virus Database: 270.12.53/2154 - Release Date: 06/04/09 05:53:00
