Please click on a Site Name in the table below to view a site's photos. Enjoy!
| Continent | Site Name | Site Code | Country | Habitat Type | First Year | Final Year | Experimental Type (Exp=experimental) |
| AFRICA | Drakensberg | drake.za | South Africa | montane grassland | 2018 | N/A | Exp (Full Factorial) |
| Mt Gilboa | gilb.za | South Africa | montane grassland | 2010 | N/A | Exp (Full Factorial) | |
| Serengeti | sereng.tz | Tanzania | savanna | 2008 | N/A | Exp (Full Factorial) | |
| Summerveld | summ.za | South Africa | mesic grassland | 2009 | N/A | Exp (Nutrients Only) | |
| Ukulinga | ukul.za | South Africa | mesic grassland | 2009 | N/A | Exp (Nutrients Only) | |
| ASIA | Azi | azi.cn | China | alpine grassland | 2007 | 2012 | Exp (Full Factorial) |
| Bayanbulak | bynb.cn | China | alpine grassland | 2018 | N/A | Exp (Full Factorial) | |
| Kibber (Spiti) | kibber.in | India | alpine grassland | 2012 | N/A | Exp (Full Factorial) | |
| Neba | neba.jp | Japan | mesic grassland | 2016 | N/A | Exp (Full Factorial) | |
| Prospective site | N/A | Iran | N/A | N/A | N/A | N/A | |
| Sirsi | sirsi.in | India | N/A | 2014 | N/A | N/A | |
| Xilinhot | xilin.cn | China | semiarid grassland | 2012 | N/A | Exp (Full Factorial) | |
| AUSTRALIA | Bogong | bogong.au | Australia | alpine grassland | 2009 | N/A | Exp (Full Factorial) |
| Bunya Mountains | bunya.au | Australia | grassland | 2013 | 2013 | Observational | |
| Burrawan | burrawan.au | Australia | semiarid grassland | 2008 | N/A | Exp (Full Factorial) | |
| Derrimut | derr.au | Australia | semiarid grassland | 2007 | 2007 | Observational | |
| Ethabuka (Main Camp) | ethamc.au | Australia | desert grassland | 2013 | N/A | Exp (Full Factorial) | |
| Ethabuka (South Site) | ethass.au | Australia | desert grassland | 2013 | N/A | Exp (Full Factorial) | |
| Kidman Springs | kidman.au | Australia | savanna | 2014 | N/A | Exp (Full Factorial) | |
| Kinypanial | kiny.au | Australia | semiarid grassland | 2007 | N/A | Exp (Full Factorial) | |
| Mitchell grassland | mitch.au | Australia | semiarid grassland | 2013 | 2013 | Observational | |
| Mt. Caroline | mtca.au | Australia | savanna | 2008 | N/A | Exp (Full Factorial) | |
| Nillahcootie | nilla.au | Australia | old field | 2016 | N/A | Exp (Full Factorial) | |
| Pingelly Paddock | ping.au | Australia | old field | 2013 | N/A | Exp (Full Factorial) | |
| Pinjarra Hills | pinj.au | Australia | pasture | 2013 | N/A | Exp (Full Factorial) | |
| Yarramundi | yarra.au | Australia | mesic grassland | 2014 | N/A | Exp (Full Factorial) | |
| EUROPE | Abiskojaure | abisko.se | Sweden | tundra grassland | 2016 | N/A | Observational |
| Audkuluheidi Heath | ahth.is | Iceland | heathland | 2016 | N/A | Exp (Full Factorial) | |
| Audkuluheidi Melur | amlr.is | Iceland | desert grassland | 2016 | N/A | Exp (Full Factorial) | |
| Bad Lauchstaedt | badlau.de | Germany | old field | 2015 | N/A | Exp (Nutrients Only) | |
| Bayreuth | bayr.de | Germany | mesic grassland | 2016 | N/A | Exp (Full Factorial) | |
| CEREEP - Ecotron IDF | cereep.fr | France | old field | 2012 | N/A | Exp (Full Factorial) | |
| Companhia das Lezirias | comp.pt | Portugal | annual grassland | 2012 | N/A | Exp (Full Factorial) | |
| Elva | elva.ee | Estonia | semiarid grassland | 2012 | 2012 | Observational | |
| FREE - Freiburg | free.de | Germany | old field | 2016 | N/A | Exp (Full Factorial) | |
| Fruebuel | frue.ch | Swizerland | pasture | 2008 | N/A | Exp (Full Factorial) | |
| Galleno | gall.it | Italy | mesic grassland | 2015 | N/A | Exp (Nutrients Only) | |
| Heronsbrook (Silwood Park) | hero.uk | United Kingdom | mesic grassland | 2007 | N/A | Exp (Full Factorial) | |
| JeNut | jena.de | Germany | grassland | 2013 | N/A | Exp (Nutrients Only) | |
| Karkevagge | kark.se | Sweden | tundra grassland | 2016 | N/A | Observational | |
| Kilpisjärvi | kilp.fi | Finland | tundra grassland | 2013 | N/A | Exp (Full Factorial) | |
| Kirikukyla | kirik.ee | Estonia | calcareous grassland | 2012 | 2012 | Observational | |
| Laktajakka | lakta.se | Sweden | tundra grassland | 2016 | N/A | Observational | |
| Lancaster | lancaster.uk | United Kingdom | mesic grassland | 2008 | N/A | Exp (Full Factorial) | |
| Papenburg | pape.de | Germany | old field | 2007 | 2013 | Exp (Full Factorial) | |
| Petuniabukta | sval.no | Norway | tundra grassland | 2016 | N/A | Exp (Nutrients Only) | |
| Rookery (Silwood Park) | rook.uk | United Kingdom | mesic grassland | 2007 | N/A | Exp (Full Factorial) | |
| Saana | saana.fi | Finland | montane grassland | 2014 | N/A | Exp (Full Factorial) | |
| Slieve Carran | burren.ie | Ireland | calcareous grassland | 2015 | N/A | Exp (Full Factorial) | |
| Theistareykir Heath | thth.is | Iceland | heathland | 2016 | N/A | Exp (NPK x Fence Only) | |
| Theistareykir Melur | tmlr.is | Iceland | desert grassland | 2016 | N/A | Exp (NPK x Fence Only) | |
| Val Mustair | valm.ch | Swizerland | alpine grassland | 2008 | N/A | Exp (Full Factorial) | |
| Vassijaure | vass.se | Sweden | tundra grassland | 2016 | N/A | Observational | |
| Veluwe | nioo.nl | Netherlands | old field | 2017 | N/A | Exp (Full Factorial) | |
| NORTH AMERICA | American Camp | amcamp.us | United States | mesic grassland | 2007 | 2007 | Observational |
| Archbold Biological Station | arch.us | United States | mixedgrass prairie | 2015 | N/A | Exp (Full Factorial) | |
| Barta Brothers | barta.us | United States | mixedgrass prairie | 2007 | 2011 | Exp (Full Factorial) | |
| Benedictine Bottoms | bnbt.us | United States | tallgrass prairie | 2017 | N/A | Exp (Full Factorial) | |
| Boulder South Campus | bldr.us | United States | shortgrass prairie | 2008 | N/A | Exp (Full Factorial) | |
| Bunchgrass (Andrews LTER) | bnch.us | United States | montane grassland | 2007 | N/A | Exp (Full Factorial) | |
| Buttercup (Andrews LTER) | bttr.us | United States | montane grassland | 2007 | 2007 | Observational | |
| Cedar Creek LTER | cdcr.us | United States | tallgrass prairie | 2007 | N/A | Exp (Full Factorial) | |
| Cedar Point Biological Station | cdpt.us | United States | shortgrass prairie | 2007 | N/A | Exp (Full Factorial) | |
| Chichaqua Bottoms | cbgb.us | United States | tallgrass prairie | 2009 | N/A | Exp (Full Factorial) | |
| Cowichan | cowi.ca | Canada | old field | 2007 | N/A | Exp (Full Factorial) | |
| Doane College Spring Creek Prairie | doane.us | United States | tallgrass prairie | 2012 | N/A | Exp (Nutrients Only) | |
| Duke Forest | unc.us | United States | old field | 2007 | 2011 | Exp (Full Factorial) | |
| Elkhorn | elkh.us | United States | mesic grassland | 2007 | 2007 | Observational | |
| Elliott Chaparral | elliot.us | United States | annual grassland | 2008 | N/A | Exp (Full Factorial) | |
| Finley NWR | fnly.us | United States | mesic grassland | 2007 | 2007 | Observational | |
| Glacial Heritage | glac.us | United States | mesic grassland | 2007 | 2007 | Observational | |
| Glacier Creek Preserve | glcr.us | United States | tallgrass prairie | 2015 | N/A | Exp (Full Factorial) | |
| Hall's Prairie | hall.us | United States | tallgrass prairie | 2007 | 2014 | Exp (Full Factorial) | |
| Hanover | hnvr.us | United States | old field | 2007 | 2010 | Exp (Full Factorial) | |
| Hart Mountain | hart.us | United States | shrub steppe | 2007 | 2012 | Exp (Full Factorial) | |
| Hastings UCNRS | hast.us | United States | annual grassland | 2007 | 2007 | Observational | |
| Hog Island Site 1 | hogone.us | United States | coastal grassland | 2015 | N/A | Exp (Other modification) | |
| Hog Island Site 2 | hogtwo.us | United States | coastal grassland | 2017 | N/A | Exp (Nutrients Only) | |
| Hopland REC | hopl.us | United States | annual grassland | 2007 | N/A | Exp (Full Factorial) | |
| Jasper Ridge Biological Preserve | jasp.us | United States | annual grassland | 2007 | 2007 | Observational | |
| Jornada LTER | jorn.us | United States | semiarid grassland | 2013 | 2013 | Observational | |
| Kellogg Biological Station LTER | kbs.us | United States | old field | 2013 | N/A | Exp (Full Factorial) | |
| Koffler Scientific Reserve at Joker's Hill | koffler.ca | Canada | pasture | 2010 | N/A | Exp (Full Factorial) | |
| Konza LTER | konz.us | United States | tallgrass prairie | 2007 | N/A | Exp (Full Factorial) | |
| KonzaN1B | konzn1b.us | United States | tallgrass prairie | 2007 | 2007 | Observational | |
| Lakeside Laboratory | lake.us | United States | tallgrass prairie | 2015 | N/A | Exp (Full Factorial) | |
| Leadbetter Point | lead.us | United States | salt marsh | 2007 | 2007 | Observational | |
| Lookout (Andrews LTER) | look.us | United States | montane grassland | 2007 | N/A | Exp (Full Factorial) | |
| Mclaughlin UCNRS | mcla.us | United States | annual grassland | 2007 | N/A | Exp (Full Factorial) | |
| Metompkin | meto.us | United States | coastal grassland | 2017 | N/A | Exp (Nutrients Only) | |
| Minnesota State University Moorehead | msum.us | United States | tallgrass prairie | 2016 | N/A | Exp (Full Factorial) | |
| Missoula | msla.us | United States | grassland | 2017 | N/A | Exp (Full Factorial) | |
| Niwot Ridge LTER | niwo.us | United States | alpine grassland | 2007 | 2007 | Observational | |
| Prospective site - Louisiana | N/A | United States | N/A | N/A | N/A | N/A | |
| Sagehen Creek UCNRS | sage.us | United States | montane grassland | 2007 | 2013 | Exp (Full Factorial) | |
| Saline Experimental Range | saline.us | United States | mixedgrass prairie | 2007 | N/A | Exp (Full Factorial) | |
| Savannah River | sava.us | United States | savanna | 2007 | 2013 | Exp (Full Factorial) | |
| Sedgwick Reserve UCNRS | sedg.us | United States | annual grassland | 2007 | N/A | Exp (Nutrients Only) | |
| Sevilleta LTER | sevi.us | United States | desert grassland | 2007 | N/A | Exp (Nutrients Only) | |
| Sheep Experimental Station | shps.us | United States | shrub steppe | 2007 | N/A | Exp (Full Factorial) | |
| Shortgrass Steppe LTER | sgs.us | United States | shortgrass prairie | 2007 | N/A | Exp (Full Factorial) | |
| Sierra Foothills REC | sier.us | United States | annual grassland | 2007 | N/A | Exp (Full Factorial) | |
| Smith Prairie | smith.us | United States | mesic grassland | 2007 | N/A | Exp (Full Factorial) | |
| Spindletop | spin.us | United States | pasture | 2007 | N/A | Exp (Full Factorial) | |
| Temple | temple.us | United States | tallgrass prairie | 2007 | N/A | Exp (Nutrients Only) | |
| TNC Lake Ramsay Preserve | ramsay.us | United States | savanna | 2016 | N/A | Observational | |
| Trelease | trel.us | United States | tallgrass prairie | 2008 | N/A | Exp (Full Factorial) | |
| Tyson | tyso.us | United States | old field | 2007 | 2011 | Exp (Full Factorial) | |
| UF Range Cattle REC | ufrec.us | United States | grassland | 2013 | N/A | Exp (Full Factorial) | |
| University of California - Santa Cruz | ucsc.us | United States | mesic grassland | 2007 | 2007 | Observational | |
| UWO Observatory | uwo.ca | Canada | old field | 2014 | 2014 | Observational | |
| Vaquerias | vaqu.mx | Mexico | semiarid grassland | 2013 | N/A | Exp (Full Factorial) | |
| SOUTH AMERICA | Antisana | anti.ec | Ecuardor | alpine grassland | 2013 | 2013 | Observational |
| Fortín Chacabuco | bari.ar | Argentina | grassland steppe | 2015 | N/A | Exp (Full Factorial) | |
| La Pampa (3 sites) | pampa.ar | Argentina | grassland | 2008 | 2008 | Observational | |
| Las Chilcas | chilcas.ar | Argentina | mesic grassland | 2013 | N/A | Exp (Full Factorial) | |
| Mar Chiquita | marc.ar | Argentina | grassland | 2012 | N/A | Exp (Full Factorial) | |
| Pichincha | pich.ec | Ecuardor | alpine grassland | 2012 | N/A | Exp (Full Factorial) | |
| Podocarpus | podo.ec | Ecuardor | paramo | 2015 | N/A | Exp (Full Factorial) | |
| Potrok Aike | potrok.ar | Argentina | semiarid grassland | 2015 | N/A | Exp (Full Factorial) | |
| San Pablo de Valdés | spv.ar | Argentina | semiarid grassland | 2015 | N/A | Observational | |
| Tres Lagoas | lagoas.br | Brazil | cerrado | 2015 | N/A | Exp (Full Factorial) |