{"id":326,"date":"2020-03-09T03:13:50","date_gmt":"2020-03-09T03:13:50","guid":{"rendered":"http:\/\/lchalmandrier.legtux.org\/research\/?page_id=326"},"modified":"2022-03-18T16:22:18","modified_gmt":"2022-03-18T16:22:18","slug":"the-climb-project","status":"publish","type":"page","link":"http:\/\/lchalmandrier.legtux.org\/research\/the-climb-project\/","title":{"rendered":"The CLIMB project"},"content":{"rendered":"\n<p>aka &#8216;<em>CaLibrating and Improving Models of Biodiversity<\/em>&#8216;. <\/p>\n\n\n\n<p>This project has received funding from the European Union\u2019s<br>Horizon 2020 research and innovation programme under grant agreement No 840946 as an Individual Marie-Curie Fellowship in 2019 (after four unsuccessful trials &#8211; keep faith).<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">The question<\/h2>\n<\/div><\/div>\n\n\n\n<p>To model community structure or dynamics, we often wish we could use those neat theoretical models that include the fundamental process of population dynamics, such as growth, mortality and species interactions. Think of your classical model by Lotka and Volterra.<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\frac{dP_i}{dt} = P_i \\times (r_i + \\sum_j a_{ij} P_j)\\]\n\n<script type=\"text\/javascript\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-includes\/js\/dist\/hooks.min.js?ver=dd5603f07f9220ed27f1\" id=\"wp-hooks-js\"><\/script>\n<script type=\"text\/javascript\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-includes\/js\/dist\/i18n.min.js?ver=c26c3dc7bed366793375\" id=\"wp-i18n-js\"><\/script>\n<script type=\"text\/javascript\" id=\"wp-i18n-js-after\">\n\/* <![CDATA[ *\/\nwp.i18n.setLocaleData( { 'text direction\\u0004ltr': [ 'ltr' ] } );\n\/\/# sourceURL=wp-i18n-js-after\n\/* ]]> *\/\n<\/script>\n<script  async type=\"text\/javascript\" src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjax\/2.7.7\/MathJax.js?config=TeX-MML-AM_CHTML\" id=\"mathjax-js\"><\/script>\n<\/div>\n\n\n\n<p>P<sub>i<\/sub> is the abundance\/biomass of species <em>i<\/em>, r<sub>i<\/sub> its relative growth rate in a given environment and a<sub>ij<\/sub> its interaction coefficient with species <em>j<\/em>.<\/p>\n\n\n\n<p>It is clean, it is simple, it reminds us of Ecology 1.01.<br>But now, think of your favorite ecosystem, how many species co-exist in it? And how many species parameters r<sub>i<\/sub> and a<sub>ij<\/sub> would you have to measure to calibrate this model and make it relevant? Probably way too many.<\/p>\n\n\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading\">The solution (?)<\/h2>\n\n\n\n<p>But what if we could use data that were a reasonable proxy for those unknown species parameters that we definitely don&#8217;t want to measure? Functional traits are a good candidate. They are linked to species ecological niches and they are fairly easy to gather and can often been found in open databases.<br> <br>Then the question becomes &#8216;how to correctly link the species parameters from your favorite community model to the available data on their real-life functional traits?&#8217;. A more methodological question that can hopefully be solved with the right statistical framework. <\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"397\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-1024x397.jpg\" alt=\"\" class=\"wp-image-334\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-1024x397.jpg 1024w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-300x116.jpg 300w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-768x298.jpg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-1536x595.jpg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2-624x242.jpg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/02\/3D_schema2.jpg 1776w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Trait data collection<\/h2>\n\n\n\n<p>To complete existing trait databases, we &#8211; with Martin Philippe &#8211; conducted a field sampling campaign targeting tussock grassland species leaf and root functional traits. The trait sampling took place at the <a href=\"https:\/\/www.canterbury.ac.nz\/life\/facilities\/field\/cass\/\">Cass Mountain Research Area<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"434\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-1024x768.jpg\" alt=\"\" class=\"wp-image-434\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-1024x768.jpg 1024w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-300x225.jpg 300w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-768x576.jpg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-1536x1152.jpg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-2048x1536.jpg 2048w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200205_170846-1-624x468.jpg 624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"436\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-768x1024.jpg\" alt=\"\" class=\"wp-image-436\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-768x1024.jpg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-225x300.jpg 225w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-1152x1536.jpg 1152w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-1536x2048.jpg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-624x832.jpg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_100510-1-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"438\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-1024x768.jpg\" alt=\"\" class=\"wp-image-438\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-1024x768.jpg 1024w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-300x225.jpg 300w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-768x576.jpg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-1536x1152.jpg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-2048x1536.jpg 2048w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200206_114144-3-624x468.jpg 624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"412\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-768x1024.jpeg\" alt=\"\" class=\"wp-image-412\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-768x1024.jpeg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-225x300.jpeg 225w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-1152x1536.jpeg 1152w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-1536x2048.jpeg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-624x832.jpeg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200122_1122383132339928475793238-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Wahlenbergia albomarginata<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"414\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-768x1024.jpeg\" alt=\"\" class=\"wp-image-414\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-768x1024.jpeg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-225x300.jpeg 225w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-1152x1536.jpeg 1152w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-1536x2048.jpeg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-624x832.jpeg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200131_0903281582971844711644530-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Coprosma petrei<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"415\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-768x1024.jpeg\" alt=\"\" class=\"wp-image-415\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-768x1024.jpeg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-225x300.jpeg 225w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-1152x1536.jpeg 1152w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-1536x2048.jpeg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-624x832.jpeg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200206_1318551909226134113256380-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Pimelea traversii<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"418\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-1024x768.jpg\" alt=\"\" class=\"wp-image-418\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-1024x768.jpg 1024w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-300x225.jpg 300w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-768x576.jpg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-1536x1152.jpg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-2048x1536.jpg 2048w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/IMG_20200122_160155-624x468.jpg 624w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Festuca novae-zelandiae pre-op<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"420\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-768x1024.jpeg\" alt=\"\" class=\"wp-image-420\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-768x1024.jpeg 768w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-225x300.jpeg 225w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-1152x1536.jpeg 1152w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-1536x2048.jpeg 1536w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-624x832.jpeg 624w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2020\/03\/20200129_1454407090031642931684457-1-scaled.jpeg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption>Leucogenes grandiceps<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2022\/03\/banner.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"175\" src=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2022\/03\/banner.jpg\" alt=\"\" class=\"wp-image-521\" srcset=\"http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2022\/03\/banner.jpg 425w, http:\/\/lchalmandrier.legtux.org\/research\/wp-content\/uploads\/2022\/03\/banner-300x124.jpg 300w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><\/a><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>aka &#8216;CaLibrating and Improving Models of Biodiversity&#8216;. This project has received funding from the European Union\u2019sHorizon 2020 research and innovation programme under grant agreement No 840946 as an Individual Marie-Curie Fellowship in 2019 (after four unsuccessful trials &#8211; keep faith). The question To model community structure or dynamics, we often wish we could use those [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-326","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/pages\/326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/comments?post=326"}],"version-history":[{"count":62,"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/pages\/326\/revisions"}],"predecessor-version":[{"id":522,"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/pages\/326\/revisions\/522"}],"wp:attachment":[{"href":"http:\/\/lchalmandrier.legtux.org\/research\/wp-json\/wp\/v2\/media?parent=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}