Showing posts with label plant distributions. Show all posts
Showing posts with label plant distributions. Show all posts

Sunday, August 18, 2019

Our Changing World--Threats but Also Opportunities

The world is changing.

The second half of the 20th century was warmer than the first half. The 21st century is setting new heat records.

In the arctic, ice is retreating and polar bears are starving. Alaska has record high temperatures. Alaska and Siberia have melting permafrost and forest fires. Looking up the Sami of Norway and Sweden, the information is all about warm winters creating problems for their reindeer herds, ones their grandfathers cannot provide advice about, because they've never seen it so warm.

Aletsch Glacier, Switzerland 2019
Switzerland's Aletsch Glacier in 2019;
It has lost more than 1,300 m. (1421 yards) of length and 200 m thickess since
the 1970s  link

Sunday, January 13, 2019

Botanical Travel: Where the Weeds Are Strange

lantana, Lantana camara
lantana (Lantana camara)
Growing on the roadsides and vacant lots in Costa Rica, we saw lantana (Lantana camara, vervain family, Verbenaceae). In Hawaii it was Kahili ginger (Hedychium gardnerianum, ginger family Zingiberaceae)
Kahili ginger
Kahili ginger
Here is Kahili ginger, the dark green leaves, filling the forest understory in Hawaii
Kahili ginger in forest
All the dark green leaves are Kahili ginger
Wow! Aren't those pretty! But weird weeds to a Coloradan.