Results 131 to 140 of about 3,256 (259)

Forest above-ground biomass estimation using NASA GEDI lidar waveforms and global tree allometry [PDF]

open access: yes
Above-ground forest biomass plays a crucial role in global carbon cycles, yet accurately estimating biomass at global scales remains challenging. This thesis addresses two key challenges in processing NASA’s Global Ecosystem Dynamics Investigation (GEDI)
Grant, Ian
core   +1 more source

Stem allometry in a North Queensland tropical rainforest [PDF]

open access: yes, 1995
The stem allometry (tree height versus stem diameter) of four tree species found in a North Queensland rainforest was examined. These species were dicotyledonous trees, two of which were classed as early successional species and two as later successional
Maycock, Colin R., Claussen, Jeff W.
core  

Longevity and Growth of the Crabs Callinectes sapidus and Callinectes rathbunae (Decapoda: Portunidae) in Paraíso Tabasco Mexico

open access: yesActa Zoologica, EarlyView.
ABSTRACT Individual growth models are important in fisheries of natural populations and can be incorporated in production models to estimate their maximum sustainable yield. Blue crab species, Callinectes sapidus and Callinectes rathbunae were obtained in the Mecoacán lagoon, Paraíso, Tabasco Mexico by “nasa” and “yahual” nets. Biometric values such as
Candelario Jiménez‐Olivares   +5 more
wiley   +1 more source

Unravelling the phylogeny of armadillos and their kin (Mammalia, Xenarthra, Cingulata) combining morphological, molecular, and stratigraphic data

open access: yesCladistics, EarlyView.
Abstract Cingulata, a major lineage of Xenarthra, comprises extinct and extant armoured placental mammals that diversified throughout the Cenozoic. Despite extensive study, phylogenetic hypotheses based on morphological and molecular data remain incongruent, and no total evidence analysis has been conducted. Here, we integrate the largest morphological
Daniel M. Casali   +7 more
wiley   +1 more source

Terrestrial laser scanning-based allometric models for East-African tropical rainforest trees

open access: yesTrees, Forests and People
An in-depth understanding of tree allometry is a crucial prerequisite to quantify the role of tropical forests in global carbon cycling. Here, we present site-specific, multi-species allometric models to quantify height, crown length, crown projection ...
Anjela Thomas Mashera   +2 more
doaj   +1 more source

Phylogenetic and ecological duality in the otoliths of Sciaenidae

open access: yesCladistics, EarlyView.
Abstract Teleost fishes have evolved taxon‐specific otoliths that vary greatly in size and shape and are primarily involved in hearing and balance. This study identifies the main drivers of otolith shape disparity in Sciaenidae, a clade of sound‐producing bony fishes, using three‐dimensional geometric morphometrics (3DGM).
Dominique Mediodia   +3 more
wiley   +1 more source

The state of knowledge on four families of Syngnathoidei fishes (Teleostei: Syngnathiformes): Aulostomidae, Centriscidae, Fistulariidae and Solenostomidae

open access: yesJournal of Fish Biology, EarlyView.
Abstract Knowledge on the ecology and life‐history traits of coastal marine species is vital to inform their conservation and management, especially as their coastal habitats come under increasing threats. However, such data have never been collated for four of the five families in the suborder Syngnathoidei—the close relatives of the better‐studied ...
Syd J. Ascione   +3 more
wiley   +1 more source

Tropical Tree Allometry: Variation, Theory, and Application

open access: yes
<p dir="ltr">Tree allometry, the relationship between different tree dimensions such as diameter, height, and crown area, is important for understanding physiological and structural constraints on trees, such as growing tall enough to access light while resisting wind damage.
openaire   +1 more source

The importance of stand structure and tree allometry for local-scale variation in aboveground biomass [PDF]

open access: yes, 2018
Aboveground biomass (AGB) plays a critical role in determining the long-term dynamics of carbon in tropical forests. Consequently, understanding what factors are important in controlling AGB in tropical forests has major implications for projecting the ...
Loubota Panzou, Grâce Jopaul   +7 more
core  

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil

open access: yesJournal of Fish Biology, EarlyView.
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Ananda. C. Serejo‐Saraiva   +4 more
wiley   +1 more source

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