20472541
Description
Flashcards by Hannah Hollis, updated more than 1 year ago
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Created by Hannah Hollis
over 4 years ago
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| Question | Answer |
| What are the main 3 mosses? (common names) | - common/ling - crossed leaved - Bell |
| What are the main 3 mosses ? (scientific names) | - common/ling - - |
| what are the characteristics for common heather? | - smaller flowers -wet or dry land |
| what are the characteristics for bell heather? | - dark purple bell-shaped flower - direr habitats (slopes) |
| what are the characteristics for crossed leaved heather? | pale pink floweers cross/4 leaves wet land/bogs |
| what is the scientific name for bog moss? | Sphagnum |
| 4 key facts about Sphagnum | - hold 10x weight of water -carbon store/peat - cleans water -stops run off/flooding |
| what are the postives for cattle | eats everything = level grazing cant go too high |
| why are sheep bad? | selective eating = barran land |
| when are sheep perfered ? | easier to get out og boggy land |
| what are examples of artic alpines? | moss campion = yellow - grow in heaps starry saxifrage |
| threats to artic alpine | grazing by goats plant hunters climate change climbers/trampling |
| why are winter climbers bad for artic alpine | if ground not frozen = tears up |
| what is there on Snowdon to help know soil temperature | temps gages in air + soil (national resource wales) |
| why is Llyn Idwal special | high acidicy nureient poor- oliyotrophic (lack of fertilizer) nesting canda geese |
| what communities are in Llyn Idwal | quillwort fern floating water plantain artic char |
| how is most uplands managed | unfenced commons - local farmers |
| what scheme is there on snowdon | argi-environmental |
| 3 negatives of argi environmental | - pay management difficulties; can't divide (commons) - monitoring issues - pay by action = don't know if ecologically efficient |
| what are the designations in Snowdon | sac - special area conservation : Europe sssi - site of special scientific interest iucn 5 (rated 1-6) : national park rsmar |
| what is the 2 main history points | - glaciation - melt = v - shaped vally (flat bottom) - was oak forest = now bearch tree |
| how to tell n from mountain side | n-face = rocky cliff : snow hang longer= shadow= comulation=seed glacerials |
| 3 evidence for the history | - moss campion: date glaciers- grow very slowly -pollen records: pollen settles bottom of lake = soil cores - radiocarbon dating -grazing exclusion experiment (1950-80): 1950=matt grass= then heathes and trees: rowan and silver berch: 1st colonists |
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