{"id":2475,"date":"2013-04-18T11:44:54","date_gmt":"2013-04-18T11:44:54","guid":{"rendered":"http:\/\/thetravellerslastjourney.com\/shai\/2018\/12\/23\/2-revision-v1\/"},"modified":"2019-07-13T13:35:04","modified_gmt":"2019-07-13T13:35:04","slug":"science-review-keystone-species-population-cycle-dampening","status":"publish","type":"post","link":"https:\/\/thetravellerslastjourney.com\/shai\/2013\/04\/18\/science-review-keystone-species-population-cycle-dampening\/","title":{"rendered":"Science Review: Keystone species population cycle dampening"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>Concepts<\/strong>:\u00a0Keystone species, and population cycle dampening.<\/p>\n<p style=\"text-align: justify;\"><strong>Source<\/strong>: Science\u00a0original research Report\u00a0(April 5, 2013).<\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>Background<\/strong>: A keystone species is one that disproportionally affects its ecosystem*. Relationships between predator-prey are generally assumed to be cyclic insofar as their amounts reflect each other in a cyclic manner (e.g. many plants feed many herbivores that increase consumption, reducing plants, etc). Current models for cyclicism assume that cycles are mostly determined by delayed density dependence. Cycles can fade due to (1) noise, (2) environmental change, and (3) environmental change weakening the interaction between biotic entities that give rise to cycles.<\/li>\n<li><strong>Results<\/strong>: In brief, 18 years of data show a reduction in voles&#8217; winter growth rate. They use the data to rule out pathways 1 and 3, arguing for 2, as causing these effects.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">PS. The term\u00a0keystone species\u00a0comes from &#8220;keystone&#8221; in an arch, which although being under the least amount of pressure in an arch,\u00a0nonetheless\u00a0the arch collapses without it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Concepts:\u00a0Keystone species, and population cycle dampening. Source: Science\u00a0original research Report\u00a0(April 5, 2013). Background: A keystone species is one that disproportionally affects its ecosystem*. Relationships between predator-prey are generally assumed to be cyclic insofar as their amounts reflect each other in a cyclic manner (e.g. many plants feed many herbivores that increase consumption, reducing plants, etc). [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[159,242,16,17],"tags":[],"metadata":[],"class_list":["post-2475","post","type-post","status-publish","format-standard","hentry","category-all-posts","category-evernote-entries","category-science","category-science-news"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":2403,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2013\/04\/29\/de-extinction-2\/","url_meta":{"origin":2475,"position":0},"title":"De-extinction","author":"Pala","date":"April 29, 2013","format":false,"excerpt":"De-extinction is the restoration into the world of living specimens of animals that had once been\u00a0extinct. There are three technologies for de-extinction currently being explored, each one with a target species its\u00a0project\u00a0hopes to de-extinct. A.\u00a0Back-breeding. This is only possible where there exist living species with genetic homologues to the target\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2532,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2013\/04\/29\/science-review-de-extinction\/","url_meta":{"origin":2475,"position":1},"title":"Science Review: De-extinction","author":"Pala","date":"April 29, 2013","format":false,"excerpt":"Concept: De-extinction Source: A Policy Forum\u00a0piece in Science\u00a0(April 5, 2013), titled: \"What If Extinction Is Not Forever?\" Technology: Three approaches. Back-breeding is possible where genetic variants homologous to extinct species exist in surviving species. Cloning, as by using somatic cell nuclear transfer from an extinct subspecies (i.e. with other extant\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":154,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2013\/08\/17\/science-090813-paleoclimate-political-science-malaria-vaccine\/","url_meta":{"origin":2475,"position":2},"title":"Science 090813: Paleoclimate, political science, malaria vaccine","author":"Pala","date":"August 17, 2013","format":false,"excerpt":"Editorial notes: To understand the Meta paragraph below you need to read Shai's Priorities post where he discusses his own methodology for researching and acquiring knowledge. The Meta description below is an instance where Shai follows his own - previously documented - methodology. Meta: This is a pseudo-diary of my\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2399,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2012\/07\/21\/phylotypic-stage\/","url_meta":{"origin":2475,"position":3},"title":"Phylotypic stage","author":"Pala","date":"July 21, 2012","format":false,"excerpt":"I have two small\u00a0embryos preserved in alcohol, that I forgot to\u00a0label. At present I am unable to determine the genus to which they belong. They may be lizards, small birds, or even mammals. Karl von Baer\u00a0(1828) The changes undergone by a developing\u00a0embryo\u00a0forms an hourglass: early on embryos from different species\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1729,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2010\/11\/29\/the-algebraist-br-2\/","url_meta":{"origin":2475,"position":4},"title":"The Algebraist (BR)","author":"Pala","date":"November 29, 2010","format":false,"excerpt":"The Algebraist\u00a0is a science fiction novel set in the unfathomably far future and is penned by the established author\u00a0Iain M. Banks. The plot concerns a star system being attacked by some force, (I would have written \"alien force\" but by this stage in the universe's history to define something as\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":2439,"url":"https:\/\/thetravellerslastjourney.com\/shai\/2011\/05\/03\/stargate-universe\/","url_meta":{"origin":2475,"position":5},"title":"Stargate Universe","author":"Pala","date":"May 3, 2011","format":false,"excerpt":"Editorial notes: This Essay was found as a 'draft' entry in Everything2. It was last updated on 03\/05\/2011. I've always been sympathetic to science fiction, but never really ever loved any of its progeny. For example, I'll always have fond feelings towards Star Trek: The Next Generation\u00a0for its naive utopianism,\u2026","rel":"","context":"In &quot;All Posts&quot;","block_context":{"text":"All Posts","link":"https:\/\/thetravellerslastjourney.com\/shai\/all-posts\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/padotI-DV","_links":{"self":[{"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/posts\/2475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/comments?post=2475"}],"version-history":[{"count":0,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/posts\/2475\/revisions"}],"wp:attachment":[{"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/media?parent=2475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/categories?post=2475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/tags?post=2475"},{"taxonomy":"metadata","embeddable":true,"href":"https:\/\/thetravellerslastjourney.com\/shai\/wp-json\/wp\/v2\/metadata?post=2475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}