Canopy food trees for dry lands

Hi,
(not sure if this is the best forum for this question, I was looking for a dry lands forum but could not find it)
What would be a climax/canopy food tree species for dry lands? I was thinking about date palm, for one, but I am not sure if it can be considered a "climax" species or to what extent, for sure it is one of the tallest trees that can also grow in deserts, and I have found it to be the canopy species for forest gardens in Northern Africa.
What other trees species may be in this role, so to speak, from different regions of analog climates?

What fruit trees are native to your region?

What fruit trees do your neighbors grow?

Maybe some our other folks from your region will speak up.

Hello Anne,
I'd just like to know what are considered climax food tree species in dry lands anywhere not just in a specific region.
I'm trying to tap into existing knowledge from other regions.
Thank you

Looking at natural dryland across the globe, to see what grows naturally and the canopy/climax species that the forest is named after. I see the following:
oak woodland, pine woodland, walnut woodland,
eucalyptus forest, nothofagus forest, sclerophyll forest,
matorral scrubland, etc
Based on the list above, it looks like walnut is a nut producing canopy tree.

All that said for a small city lot a canopy tree doesn't have to be taller than 15ft.
And if you are working with 600acres of land not every canopy tree needs to be producing fruit/nut.
Canopy trees can take 15yrs to become a canopy tree if planted at the same time as the understory trees.
I also like the idea of 25% of the canopy trees being nitrogen fixers. and they produce beans.

If I understand canopy tree that is one that smaller trees and shrubs grow under.

For my dry land region I have oak trees, the food is acorns and the growth beneath the trees are agarita and prickly pear cactus.

I don't quite understand the word Climax though it seems that would also be my oak trees.

The only other trees that I have are mostly Juniper Cedar and a few mesquite trees.  These both also provide food such a berries and beans.

I hope this helps you with my knowledge of my region.

In my ecosystem, Juniper, Piñyon, and apricot can grow in non-irrigated drylands.

In my ecosystem grass would have been the climax... Sort of.  The American Indians constantly burned it and reset the ecosystem to make it favorable for buffalo. In a very protected area you'd probably get bur oak, chinkapin oak, juniper, and if you're lucky enough to have a river bottom you would have gotten black walnut.

Hi all and thanks for you inputs,
as I said in my initial post I am particularly interested in those canopy or climax food trees in dryland regions, like areas that have semi-arid or desertic climate.
Sorry if I didn't specify this well since I am not a native English speaker....

Anne Miller wrote:If I understand canopy tree that is one that smaller trees and shrubs grow under.

For my dry land region I have oak trees, the food is acorns and the growth beneath the trees are agarita and prickly pear cactus.

I don't quite understand the word Climax though it seems that would also be my oak trees.

The only other trees that I have are mostly Juniper Cedar and a few mesquite trees.  These both also provide food such a berries and beans.

I hope this helps you with my knowledge of my region.

Didn't know that oaks would grow in drylands. Holm oaks (Quercus ilex), are common in semi-arid mediterranean though. What kind of oaks are they? Would you please share its bothanical name?
And agarita woul be Berberis trifoliolata, right?

You are correct that agarita is  Berberis trifoliolata.  The plant has thorns and bright red berries so folks use kitchen tongs to remove the berries and make a jelly.

I am not quite sure what the definition for dry lands is though on average we might get 20 inches a year, most when it floods.

I have several kinds of oak though the only one I know the name for is Live Oak:

https://en.wikipedia.org/wiki/Live_oak