Results 51 to 60 of about 39,997 (296)

The onset of grasses in the Amazon drainage basin, evidence from the fossil record [PDF]

open access: yes, 2020
Poaceae (the grass family) originated in the Cretaceous, but first dominate the palynological records of the Amazon drainage basin (ADB) in the Neogene (23 to 2.5 million years ago (Ma)).
Hoorn, Carina, Kirschner, Judith A.
core   +3 more sources

Paper floras: how long will they last? a review of FLOWERING PLANTS OF THE NEOTROPICS [PDF]

open access: yesAmerican Journal of Botany, 2004
Flowering Plants of the Neotropics compiled and edited by a team of leading botanists at the New York Botanical Garden (Smith et al., 2004) is magnificently illustrated and rich in authoritative data about the 284 native families of tropical angiosperms currently found in the Western Hemisphere.
openaire   +1 more source

Macroecological relationships of ant diversity with increasing aridity in Australian tropical savannas: contrasting responses of epigaeic and hypogaeic assemblages

open access: yesEcography, EarlyView.
Studies using climatic gradients play a key role in our understanding of the importance of rainfall and temperature as factors regulating species diversity and distribution, and thus of likely responses to climate change. However, such studies currently consider above‐ground species only, ignoring the diverse hypogaeic (subterranean) invertebrate fauna.
François Brassard   +3 more
wiley   +1 more source

Increasing biomass in Amazonian forest plots [PDF]

open access: yes, 2004
A previous study by Phillips et al. of changes in the biomass of permanent sample plots in Amazonian forests was used to infer the presence of a regional carbon sink.
Abel Monteagudo   +20 more
core   +4 more sources

Tracking the Pulse of the Dunes: Seasonal Metabolic Responses of Liolaemus arambarensis to Climatic Variability

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Seasonal environmental fluctuations profoundly influence ectothermic vertebrates, regulating their physiology, metabolism, and life cycles. This study investigated the metabolic and morphometric seasonal dynamics of the subtropical sand lizard Liolaemus arambarensis, an endangered species endemic to the coastal dunes of southern Brazil.
Artur Antunes Navarro Valgas   +5 more
wiley   +1 more source

Flora da Usina São José, Igarassu, Estado de Pernambuco, Brasil: Acanthaceae, Gesneriaceae e Loganiaceae

open access: yesHoehnea, 2020
RESUMO (Flora da Usina São José, Igarassu, Estado de Pernambuco: Acanthaceae, Gesneriaceae e Loganiaceae). Acanthaceae, Gesneriaceae e Loganiaceae são bem representadas na flora Neotropical e brasileira, no entanto são famílias pouco estudadas no ...
Arthur Macedo   +3 more
doaj   +1 more source

Flora Farallonensis III: las melastomatáceas del bosque premontano de Pico de Águila (Cali, Valle).

open access: yesRevista de Ciencias, 2023
Este artículo es el tercer producto de la serie de manuscritos sobre sobre la Flora de los Farallones de Cali, proyecto botánico que pretende dar a conocer el inventario de la flora de esta región, así como estudiar el potencial para la bioprospección ...
Miguel Ángel Gamboa-Gaitán
doaj   +1 more source

Occurrence of some Lejeuneaceae (Jungermanniophyta) in Bahia, Brazil [PDF]

open access: yes, 2000
Five species of Lejeuneaceae, tribe Lejeuneae from state of Bahia, Brazil are described and illustrated.
Bastos, Cid José Passos   +1 more
core  

Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico [PDF]

open access: yes, 2015
Systematic descriptions and illustrations of the best preserved angiosperm pollen grains (Monocotyledonae or Liliopsida: n= 7 and Dicotyledonae or Magnoliopsida: n= 41) recovered from Cuayuca Formation (late Eocene-early Oligocene), Puebla State ...
Martínez Hernández, Enrique   +2 more
core   +1 more source

Underground Lag: Fungal Community and Edaphic Legacies After Disturbance

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Páramos are neotropical mountain ecosystems that regulate water and store large amounts of carbon, but are increasingly degraded by agriculture and grazing. Although native vegetation often recolonizes after abandonment, belowground recovery remains poorly understood.
Wilmer Dajhan Navarrete‐López   +6 more
wiley   +1 more source

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