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Post Info TOPIC: General Tetrad Discussion


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Agreed, thinking more about it i think noting these trees becomes important when looking for certain species that rely on them - like micro moths and certain fungi - whilst the tree may not be strictly wild the species that may use them and are host specific are - so if we are looking for a species that occurs on something like Walnut then noting where the walnut trees are gives us a clue to where to look.

 

Dave



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I generally count tree/shrubs which have obviously produced natural saplings (either through seed germination or rhizomes). This is more liberal than my definitions for wild flowers but as you say Dave these trees are much longer term in the landscape.

I think a case could be made though for counting all trees as these days 'man' is the largest single agent for tree creation through planting...



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I am still wondering what to do about some of the tree species in and around my local cemetery - some of the more interesting species, like smooth-leaved Elm do occasionally produce seedling but they are very quickly mown over so would never have a chance to grow and mature. Also things like Walnut, Tree of Heaven, Blue Atlas Cedar, Norway Maple etc etc are also present but to count or not to count?

I think the thing with trees is that unlike casual escapee plants these trees are going to be here for hundreds (?) of years to come so will play more of a role in the landscape than a plant that may appear one year and never be seen again.

Thoughts and comments welcome

Dave



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Thing is to have a go. Its been an eye opener for myself how much goes on at your feet and so early. Peering at a cow pat to ID a dung fly was most certainly not the thing i would do last year but it now oddly seems perfectly ok and interesting thing to do. Many things like beetles can be difficult...many are just LBJ (Little Black Jobs) others are quite easy and distinctive.  Pics help for ID as mistakes will be made. We are after all amatuers.

I decided on the tetrad to focus on bugs because birds has been done here by much better than me and I've recorded lots of flowers here last year. Mushrooms for me are my fear. Dave and Henry can go for a trot and find and ID dozens many new to GM every week end. I'm lucky to find one that I can't ID, but I have a go.

It's all a learning curve and curiously addictive. I became fascinated and obsessed by the British Fresh Water Shrimp. The tetrad was infested by a slick American imposter, but I did find the British one so my patriotism was rewarded. Learning about life cycles and parasites is simply addictive.

Planning strategy is also engrossing from simply roving opportunisim to various forms of trapping. I'm concocting plans for moths and there are fresh water sponges in the canal so how the heck do you search for them.

And just don't get me started  on local history of the tetrad. This impacts on the natural history that is found. Lower Hinds is an akaline waste tip in a acidic area. It has already thrown up many rare plants like Wild Thyme so I assume insects as well. time will tell. There a number of abandoned farm sites as wel, even a prehistroric henge west of Crow Tree farm. The first might also throw up some particular species. So a quick check on old maps might throw up some intresting targets on all tetrads. 
 
The thing is have a go. If you can't ID it move on. There's plenty to go at that you can.

So if you see anyone peering at a cow pat now you know why.


-- Edited by IanB on Friday 18th of March 2011 12:51:54 AM

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I have a feeling we'll see over a 1000 species between us. Dunno about 2000 but if Ian keeps up his excellent finds rate with the micro fauna of his tetrad who knows?!

Personally my areas of knowledge are the flowers and birds which have already been used to the max to find the species accumulated so far. Many of the new species will have to come from new phylums and families which I am still rather (and quite rightly) tentative about. Perhaps if we arrange some group tetrad visits we could help each other out in new areas of wildlife. Something to talk about with spring here.

Thanks. Henry.

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David Winnard wrote:

I am getting very intrigued as to how many species;

a) together will be recorded from all tetrads, and,

b) how many species we could record in one year in GM?

Whilst I have neglected my tetrad (though it is a quiet one and plants and fungi will come later in the year) i am inspired by both Henry and Ian's efforts - keep it up!

Dave



It has been passing my mind as well. On NBN gatway you can do tetrad species lists.

There are problems

The area listed are much larger than the smaller tetrad being searched.
Some of the records are historical ie Ancient.
Many things are not counted at all Earthworms Waterfleas and Fly through visitors


BUT it gives you a flavour of potential number of species to be spotted and a posibility that 1000 species should be achieved as well as turning up some rareities. That would take some doing with a average 20 new species each week.  

(Total for an area covering south Bury and Bolton totals is 2329 individual species listed. This includes 718 flowering plants, 218 Fungus and 802 Insects)



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I am getting very intrigued as to how many species;

a) together will be recorded from all tetrads, and,

b) how many species we could record in one year in GM?

Whilst I have neglected my tetrad (though it is a quiet one and plants and fungi will come later in the year) i am inspired by both Henry and Ian's efforts - keep it up!

Dave

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Yes can't wait

Found this on the Telegraph....

The easiest place to find a new species is in your back garden. The 18th-century naturalist Gilbert White (1720-93) agreed: All nature is so full, that that district produces the greatest variety which is the most examined.

Beginning in 1971, retired biologist Jennifer Owen catalogued the wildlife in her suburban Leicester garden. After 15 years she published her interim results, which included 533 species of parasitical wasp alone. Fifteen of these had never been recorded in Britain, and four of them were completely new to science. Britain has about 16 million back gardens, each containing more than 4,000 invertebrates (worms, spiders, insects) and about 250 plants. Research from 2002 by Newcastle University included soil micro-organisms and calculated that the average back garden contains 3.5 million species twice as many as have been identified on the planet.

So you could find anything

Hada little looksee on the web at my tetrad in particular a report for the Alpha Hopsital and they declared the pond in the dip was pretty bereft of life while one on spenmoor had freshwater shrimp. My observation is little grebe and heron fishing on the dip pond and lots of stuff on the other.

Tatics are important remember anything goes so I've invested £4.75 via Ebay on a secret weapon that hopefully will unlock a whole new world. Other seceret weapons will follow but not as expensive. And most tetrads have unexlored areas.

This tetrad has been well covered in Birds Plants even mamals but much more awaits in water and insects

There will be a quick visit this WE but them I'm off for two weeks but I will return.



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Looking forward to kicking off the fun in a few hours, although think i'll wait till daybreak to get started.
Lichens, Hoverflies, Horseflies, Flies, Bacterium; all things I need id guides for!

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Well the hours are ticking down until the start of what will be an interesting year!

Have already been checking a few things on the fungi front to tick off for tomorrow wink. Think i will have to invest in a lichen book......biggrin

Good luck everyone and remember its just fun and the records gained will help benefit the species with in GM.

Dave....waiting for a fox or Tawny Owl at 12:01



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