Alder

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Related to alder trees: Alnus, Ash trees

Al·der

(ahl'dĕr),
Albert von, Swiss hematologist, 1888-1951. See: Alder anomaly, Alder bodies.
References in periodicals archive ?
Alder trees are also recognized for their contribution to the health of the planet, as the decaying trees add nitrogen to the soil.
Since Diaz & Fernandez-Prieto (1994) described for the Lacian-Ancarensean territories a kind of mixed supratemperate, riparian forest (which they called Festuco giganteae-Fraxinetum excelsioris) with no trace of alder trees, the existence of mesophytic, riparian ash tree forests ascribable to Alno-Padion came to light.
By themselves, soybeans, peas, alder trees and others can't fix nitrogen any better than a person could.
My crazy-looking door works just fine and is hung between two alder trees.
The extension will extend over the centre's car park and a wooded area to the north, with 80 alder trees lost.
The library's gardener now dons a hard hat while working near the alder trees, as do the library assistants who empty the book drops in the employee lot.
In wetter areas, alder trees are flourishing, providing a valuable food supply for siskins and redpolls.
Energy supplied to the rhizosphere supports the growth of microorganisms, which in turn enables the alder trees to utilize physically limited nutrient sources in the soil.
Without going into any more detail, the loo directs liquids in the direction of reed beds where willow and alder trees help in the filtration system, the trees later becoming materials on rural skills courses at the centre, and solids to the compost bins.
This will replace one large poplar, plus birch, mountain ash, and alder trees.
Six red alder trees were used in this investigation and a collaborative anatomical study by Oregon State University (OSU).
If conditions are still crowded when the aphids mature, they will migrate to other alder trees, hence the dramatic fall in the population in midsummer, which is caused by an overcompensatory response to crowding, in which the majority of the population leaves the host tree.