Stomata

Март 1, 2021

Содержание

2. Picea glauca White spruce Larix laricina American larch Abies Fir Pinus Pine Stomata (Greek stoma-mouth) Size:
3. Where to find? Lake sediments and gytjjas Peat
4. What are the strong sides of stomata analysis? Stomata is lignified More precise geographical position of
5. What can we reconstruct? the reconstruction of past vegetation the reconstruction of changes in atmospheric CO2
6. Example of vegetation reconstruction Fossil stomata and pollen from a sediment core from Derevanoi lake on
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Слайд 2

Picea glauca
White spruce
Larix laricina
American larch
Abies
Fir
Pinus
Pine
Stomata (Greek stoma-mouth)
Size: between 20 to 80 µm

Picea glauca White spruce Larix laricina American larch Abies Fir Pinus Pine

in diameter

Stomata are microscopic pores and specialized guard cells that are found on
the epidermis of leaves, stems and some flowers.

Слайд 3

Where to find?
Lake sediments and gytjjas
Peat

Where to find? Lake sediments and gytjjas Peat

Слайд 4

What are the strong sides of stomata analysis?
Stomata is lignified
More precise geographical

What are the strong sides of stomata analysis? Stomata is lignified More

position of plants
More precise definition of species
Possibility to conduct stomata analysis at the same time with pollen analysis

Слайд 5

What can we reconstruct?
the reconstruction of past vegetation
the reconstruction of changes in

What can we reconstruct? the reconstruction of past vegetation the reconstruction of

atmospheric CO2 concentrations

Слайд 6

Example of vegetation reconstruction
Fossil stomata and pollen from a sediment core from

Example of vegetation reconstruction Fossil stomata and pollen from a sediment core

Derevanoi lake on the Taimyr Peninsula