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Toon enkel overleg in het Nederlands
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wwhiteside97, op 2015-03-01 00:35:00, zei:
Nearly sure it is a downy birch?

jsimms, op 2015-02-27 21:28:31, zei:
I have two very tall silver birch trees in my garden. I estimate they are around 90 feet tall and are worth measuring

please advise how I can take this further



Alberto C F, op 2015-02-27 18:10:06, zei:
I'm not 100% sure it's Quercus x numantina (Quercus pyrenaica x Quercus faginea subs. Faginea). I have only data leaf. Anyone know which tree can be?

patricia, op 2015-02-26 23:46:04, zei:
Amazing. What does the rest of the tree look like?
patricia, op 2015-02-26 23:48:08, zei:
I have found the rest of the tree!

Maarten Windemuller, op 2015-02-26 16:30:38, zei:
De hangtakken hebben zich ontwikkeld tot nieuwe bomen rondom de boom.

ECTF, op 2015-02-07 16:05:37, zei:
Thought to be the very first introduction of Sequoia in Europe, but it cannot be as the gardens have been redone late eighteenth century. You will have to continue your quest Marc! (=Marc Meyer, Sequoia.eu).
Monzon, op 2015-02-22 21:10:51, zei:
Hi, ECTF. Where did you get the year of planting 1878?

Regards from Spain.


European beech in Newtimber Holt, Newtimber
Zichtbaar voor iedereenpermalink ∑ en
Jeroen Philippona, op 2015-02-21 21:24:21, zei:
Hi Owen,

Nice Peter Bourne and you found this tall beech. I already thought it strange the UK did not have more beeches of over 40 m tall, as we have a few in the much smaller Netherlands. I suppose in sheltered valleys there will be some more.

Jeroen



Nicodhamers, op 2015-02-21 12:09:10, zei:
wat is het verhaal achter deze boom?

patricia, op 2015-02-20 19:54:57, zei:
Lovely! Is this also known as a copper beech?
Conifers, op 2015-02-20 22:31:15, zei:
Yes
Frank Gyssling, op 2015-02-21 09:39:24, zei:
Thank you to mach, these copper-beech stands directly on the large fountain of the famous' Sanssouci Palace.

greating Frank


Conifers, op 2015-02-20 09:57:25, zei:
Do you have a close-up photo of the foliage, please?

Seems a highly unusual location for someone to plant a rare hybrid. Are you certain it isn't just Abies alba?

Milimims, op 2015-02-20 15:13:15, zei:
I don't have photo of the foliage, but i'm not sure that an hybrid.

it's possible that just an abies alba. I do the modification.

thank you for the warning that I should be best.


Map icons
Zichtbaar voor iedereenpermalink ∑ nl
Tim, op 2015-01-31 14:56:39, zei:
Hi all,

as you know the colors of the map icons indicate the trees's girth.

I'm planning to add the possibility to choose what tree property is used for the color: not only girth, but also height, exact height, age, ...

Currently this is with a fixed legend (5-6m is orange, 6-9m is red, ...). This is still a relict from my old Belgium based giant sequoia site for which this legend made sense. For many other trees and other places this is not the case: all trees might be green or there might be too many dark red ones.

If I would add tree height, I could also take a fixed legend (e.g. 40-60m is orange, 60-80m red, ...). This might again be appropriate for some tree species and some areas, but not optimal for others.

That's why I could also make the legend dynamic: purple is for the thickest/highest tree within the area you're looking at. This way the colors would clearly indicate height/girth differences. The downside of course is that a "red icon" in one area might be a green one if the tree would be there. Colors wouldn't be fixed: the legend would be different for every area. Both options are the same work for me.

Of course ideally, you could choose between a fixed/dynamic one or define your own thresholds or something even more fancy, but in a first iteration I would like to go for one simple option only. I can always extend from there, but I would like to start with a simple design first.

What is preferred by most? Fixed or dynamic colors?

Thanks,

Tim


Jeroen Philippona, op 2015-01-31 18:07:12, gewijzigd op 2015-01-31 19:57:16, zei:
Hi Tim,

I prefer a dynamic legend above a fixed one. Better indeed would be to have the choice between a fixed/dynamic legend and better still to have the possibility to choose your own thresholds for every map.

For now the dynamic legend as well as the posibility to choose what tree property (girth, height, exact height, etc.) is used for the color are very nice extra's.

Kind regards and thank you!

Jeroen


Tim, op 2015-02-15 18:49:10, zei:
Hi,

the new marker colors now on the site. You can choose between:

  • girth

  • height

  • exactly measured tree height

  • location elevation

The color are dynamic, as explained above. The legend is not yet visible. There will probably be some hiccups, as I didn't test it thoroughly (still got to do something else this evening).

Kind regards,

Tim



Jeroen Philippona, op 2015-02-14 22:06:36, gewijzigd op 2015-02-14 22:14:19, zei:
Hallo Frankjan,

Indrukwekkende tulpenboom! Heb je deze bij toeval ontdekt? Het is verreweg de dikste tulpenboom waarvan ik heb gehoord, zelfs in de VS schijnen er niet zulke dikke exemplaren te zijn. Wel wordt de omtrek geflatteerd door de zeer breed uitlopende wortelaanzetten. Je hebt de omtrek gemeten op 1,50 m boven de bodem / het maaiveld. Heb je daarvoor het laagste / het hoogste of het gemiddelde niveau rond de stam gebruikt?

Dat maakt bij deze boom veel uit.

Wat betreft de hoogte: hoe lang is de jongen? Als de overzichtsfoto van forse afstand is genomen, is de boom wellicht 19 x zijn lengte.

Groeten, Jeroen Philippona



Frankjan, op 2015-02-14 16:40:28, zei:
En het bewijs ..... aan de overkant van het straatje staat er nog een, iets kleiner.

Frankjan, op 2015-02-14 16:27:30, zei:
Stamvoet van deze boom op borsthoogte is meer dan 12 meter!

Leo Goudzwaard, op 2015-02-12 05:24:02, zei:
Hello Rainer,

the pictures show an Aesculus next to the Gleditsia, cheers, Leo


Rainer Lippert, op 2015-02-12 19:08:35, zei:
Hallo Leo,

ja, du hast recht. Danke fŁr den Hinweis.

Viele GrŁŖe,

Rainer



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