paludification

There is a tendency toward paludification, which is the waterlogging and cooling of soil caused by the buildup of organic soil layers [10].

Climate change and fire in the Arctic 2009

However, a variety of processes can reduce the potential for tree expansion or create environments that preclude tree establishment or survival, such as paludification [27].

Climate change and forest distribution in the Arctic 2009

The lack of inter-comparison between models and existing observations leads to potential projection errors: modeled displacement of the tundra by the boreal forest contradicts current observations of the southward retreat of the treeline in some areas and the expansion of “pseudotundra” in parts of Russia due to permafrost degradation, paludification, and human activities.

Uncertainties in the understanding of ecological processes and changes driven by climate and UV-B radiation 2009

Part of this is a counter-intuitive response to warming in which an increasingly oceanic climate (e.g., in the western Russian Arctic: see section 8.4.1, Fig. 8.9) together with permafrost thawing have led to paludification (waterlogging and peat formation) and the death of treeline trees [63].

Effects of climate change on landscape and regional processes and feedbacks to the climate system in the Arctic 2009

In addition to potential paludification [72] and local human activities displacing treelines southward, permafrost thawing, surface water drainage, and soil drying in areas of low precipitation are likely to lead to the formation of vegetation similar to the tundra – steppe [73] (section 7.2.2).

Effects of climate change on landscape and regional processes and feedbacks to the climate system in the Arctic 2009

Fire opposes paludification by oxidizing the organic matter buildup on the ground surface [15].

Climate change and fire in the Arctic 2009

In the longer term, if the current climate warming continues, extensive changes to existing tundra communities can be expected as permafrost begins to thaw and large areas are either denuded by landslide events [35] or subject to paludification by thawing ground ice via thermokarst.

Climate change impacts on the Yamal Nenets of northwest Siberia 2009

Canadian bogs evolve from two main processes, terrestrialization (filling of shallow lakes) and paludification (blanketing of terrestrial ecosystems by overgrowth of bog vegetation).

Wetland classifications 2008

Blanket bogs arise from paludification where peat spreads beyond the boundaries of the basin encroaching on formerly dry land.

Wetland classifications 2008

These bogs arise through a combination of terrestrialization and paludification.

Wetland classifications 2008