savannah的示例

• The bed of the watercourse widens until it reaches savannah trees, which consequently find themselves on the riverbank.

• The parasite strains in the 2 sets of experiments were also different (one from savannah and the other from the forest).

• These sites are located in the transition zone between the rainforest and savannah-mosaic zones.

• In contrast, in the two savannah zones, adult males undertook a disproportionate share of activities to produce garden crops that were primarily for marketing.

• This was the sole approach adopted for the savannah flies, for which no fly abundance data were available.

• Under dry savannah conditions, there is little standing vegetation biomass (mainly grasses), and fires burn efficiently producing soluble ash.

• Exploring markresighting-recovery models to study savannah tree demographics.

• A narrow coastal strip of fhivio-marine alluvial clays is separated by an acid-quartz sand savannah from the lateritic soils of the mountainous interior and hinterland.

• The months of negotiations and labour preceding this landmark flight, however, had hardly gone as smoothly as the lift-off from the darkened savannah runway.

• Both localities are a few metres above sea-level, and have a similar dry savannah environment with distinct wet and dry seasons.

• The station maintains a herd of about 50 cattle that graze in the surrounding savannah woodland.

• Setting traps in gallery forests was clearly an unsuitable way of capturing this savannah species, but individuals were nevertheless trapped in 1982.

• In contrast, increased human activity and higher cattle densities in the surrounding savannah areas were associated with increased tsetse numbers.

• However, unless seed shed coincides with the wet season, the lack of desiccation tolerance may impose constraints on reproduction via seed in open savannahs.

• Strictly speaking we do not know to what extent agricultural expansion is into forested areas, and not into grassland or savannah.