Die Suche ergab 3588 Treffer

von JDL
04 Dez 2008, 09:06
Forum: Sonstiges
Thema: Baumfällaktion - Castor fiber albicus
Antworten: 14
Zugriffe: 2970

Beavers have no 'real/proven' favourite tree species'.
von JDL
04 Dez 2008, 08:23
Forum: Sonstiges
Thema: Baumfällaktion - Castor fiber albicus
Antworten: 14
Zugriffe: 2970

Beavers eat a lot of herb and tree species.
But they avoid hard wood like Quercus and Carpinus.
There is no 'real favourite tree species'.
They also prefer trees as close to the water as possible.
von JDL
03 Dez 2008, 23:26
Forum: Bestimmung Laubgehölz, Fundort Europa
Thema: Euonymus sargentii ---> Euonymus echinatus
Antworten: 8
Zugriffe: 3932

Euonymus kiautschovicus Loes.
fide FOC is Euonymus fortunei (Turczaninow) Handel-Mazzetti

but some other sources keep these apart

Euonymus sargentii
I can not find a reference for it for the moment, sorry

to identify it, more details please
von JDL
03 Dez 2008, 09:18
Forum: Sonstiges
Thema: Danke!!!
Antworten: 9
Zugriffe: 1722

for me this forum is a real joy

:D I feel interest
:D :D I feel readiness to help
:D :D :D I feel appreciation

and this counts for me

happy that I can participate :!:
von JDL
03 Dez 2008, 09:02
Forum: Sonstiges
Thema: Baumfällaktion - Castor fiber albicus
Antworten: 14
Zugriffe: 2970

Castor 'damage' on Fraxinus pennsylvanica in Arboretum Lenoir (B) in 2004. ...
von JDL
02 Dez 2008, 18:17
Forum: Bestimmung Laubgehölz, Fundort Europa
Thema: Strauch mit roten Beeren ? ---> Viburnum opulus
Antworten: 19
Zugriffe: 7542

I always assumed Maclura pomifera is this one of the better???
von JDL
01 Dez 2008, 21:40
Forum: Sonstiges
Thema: Wochenendrätsel 72
Antworten: 15
Zugriffe: 5935

ciliate = gewimpert
von JDL
01 Dez 2008, 21:36
Forum: Sonstiges
Thema: Wochenendrätsel 72
Antworten: 15
Zugriffe: 5935

At least following taxa are (and were) in cultivation at Groenendaal arboretum.

Carya cordiformis
Carya glabra
Carya laciniosa
Carya ovata
von JDL
01 Dez 2008, 11:22
Forum: Sonstiges
Thema: Baumrinden
Antworten: 116
Zugriffe: 42445

Falls wir dieses Projekt weiterverfolgen. Meine Digitalkamera (Fuji Fine Pix S5200) hat 2592X1944 Pixel. Reicht das für die erforderliche Bildqualität? Gruss Kurt Dear Kurt it is good to ask yourself what the purpose is and I think, if you are able to show such images as these above the screen qu...
von JDL
01 Dez 2008, 09:16
Forum: Sonstiges
Thema: Wochenendrätsel 72
Antworten: 15
Zugriffe: 5935

I think this is the Carya once growing in the collection as Carya ovata and once as Carya alba . Its source is Arboretum Groenendaal at Hoeilaart. The leaves I took (24/06/2006) measure 20-40 x 30 cm (also smaller). Leaflet up to 18 x 4,5 cm and 3-5 or 7 in number, and the later is strange and can a...
von JDL
30 Nov 2008, 19:17
Forum: Sonstiges
Thema: Baumrinden
Antworten: 116
Zugriffe: 42445

'botanical knowledge' alone is not enough enough botanical knowledge is also not the question I think 'we' as a team can help develop the 'Baumlisten' and adjust these with pictures. Of course, some people should coordinate this and give it all a similar shape etc... This is how I think about it. Yo...
von JDL
30 Nov 2008, 15:13
Forum: Sonstiges
Thema: Baumrinden
Antworten: 116
Zugriffe: 42445

A SUPER idea (but be aware of the work...)
von JDL
30 Nov 2008, 13:14
Forum: Sonstiges
Thema: Baumrinden
Antworten: 116
Zugriffe: 42445

and imagine
if you should compose such images
from 5 totaly different sites (soil, light, humidity, tempatature zone etc)