Snowdon field work

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Snowdon field trip notes
Hannah Hollis
Flashcards by Hannah Hollis, updated more than 1 year ago
Hannah Hollis
Created by Hannah Hollis almost 5 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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