Essays about: "stomata index"

Found 2 essays containing the words stomata index.

1. 1. Förekomst och angreppsgrad av gråmögel och ”purple spot of asparagus” i skånsk sparrisproduktion

   University essay from SLU/Dept. of Biosystems and Technology (from 130101)

   Author : Lotten Lundgren; [2018]
   Keywords : sparris; Asparagus officinalis; gråmögel; Botrytis cinerea; Stemphylium vesicarium; Stemphylium botryosum; integrerat växtskydd;

   Abstract : Svensk sparrisodling växer, men produktiviteten, mätt som skörden i ton per hektar, är lägre än i närliggande produktionsländer. Medelskörden i Sverige var 1,6 ton per hektar år 2016, medan Tysklands preliminära medelskörd var 5,5 ton/ha år 2017. READ MORE

3. 2. The Jurassic extinction events and its relation to CO2 levels in the atmosphere : a case study on Early Jurassic fossil leaves

   University essay from Lunds universitet/Geologiska institutionen

   Author : Liina Santasalo; [2013]
   Keywords : conifers; Pliensbachian; Australian; Early Jurassic; stomatal proxy; palaeo-CO2; koldioxidhalt; klimat; Australien; tidig Jura; Marburg subgroup; Allocladus helgei; stomata index; CO2; Earth and Environmental Sciences;

   Abstract : The Mesozoic was a so-called “hothouse” time period in Earth’s history, with high concentrations of atmospheric CO2 and elevated temperatures, but the exact climate evolution is not fully known for the entire inter-val. The Early Jurassic for instance is believed to have been a warm period, flanked by two episodes of extremely high CO2, coinciding with environmental degradation and mass extinctions: the Triassic-Jurassic (200 Ma) and the early Toarcian (183 Ma) mass extinction events. READ MORE